The user may believe since the purging cycle has started that the fuming cycle has stopped. 4 Which of the following people attempted to destroy his fingerprints with corrosive acid? A. This is accomplished by using a small coffee warmer. Name and describe the main policies that the federal government uses to stabilize the economy and promote economic growth. Rodgers Corporation produce and sell football equipment. Powered by Invision Community. Silver nitrate. Correct Answer: Choose question tag. Diaminobenzidine (DAB); if not available, use leucocrystal violet (LCV) or amido black 4. The primary classification is the first step in classifying fingerprints under the FBI system. Before applying the cyanoacrylate glue, it is important to prepare the substrate properly. A. use of cyanoacrylate fuming method was suggested to develop latent fingermarks on the duct tape (Olenik 1984). A. Riboflavin. D. Cloth, A point-by-point comparison of a fingerprint's ________ must be demonstrated in order to prove identity. Physical developer contains: The number following the letter represents the filtration efficiency of the filter. B. Iodine. The value of ridge patterns in determining the uniqueness of a fingerprint is -----the value of type and position of ridge characteristics in determining the uniqueness of a fingerprint. 2. For purposes of this problem, assume that Fujitsu applies U.S. GAAP or IFRS. Add them together and you get a combination filter that removes particles from the air (dust, lead, TB, anthrax, etc.particles 0.3 microns and larger) and removes organic vapors and acid vapors. 3D Printed Futuristic Space Age Wall Clock. True Acton - unseen translation (tuesday, 20/11/20, Information Technology Project Management: Providing Measurable Organizational Value, Claudia Bienias Gilbertson, Debra Gentene, Mark W Lehman, Marketing Essentials: The Deca Connection, Carl A. Woloszyk, Grady Kimbrell, Lois Schneider Farese, Donald E. Kieso, Jerry J. Weygandt, Terry D. Warfield. Great job! Answer: a Objective: List the techniques for developing latent fingerprints on porous and nonporous. Method used to determine age of a latent print. Which of the following is NOT true about digital imaging? . D. John Dillinger. . Understand first that CA glues are different. When the CA glue boils, it becomes gaseous cyanoacrylate filling the inside atmosphere of the tank. KJJJKK+***++kjjjkk9N]]]}}}CCCcccSSSsssKKKkkk[[[{{{GGGgggWWWww7x}}}|>_ !H4<<<222:::666>>>11199)gfffggWVVVWW766677wvvvwwONNNOO$T*=? 4. D. Both B and C, Livescan images of fingerprints: You want to use something cheap and disposable because each fuming will leave behind a large patch of solid glue. Interest on the bonds is payable semiannually on December 31 and June 30. The most commonly encountered ridge characteristics (used by AFIS) are the: Super glue fuming is a process in which nonporous items that may contain fingerprints are placed into an airtight chamber and exposed to super glue vapors. These are meant to remove vapors only as they are drawn over the filter media, typically charcoal and other solvent/acid/amine specific media. D. Any print can identify a criminal if it shows an adequate number of ridge characteristics. D. 150. There are a lot of regular household items that you could use. the degree of _correlation____ between the location and relationship of the minutiae in the questioned fingerprint and in the database. Glue stored in a refrigerator should be left in the refrigerator until just prior to use. A heating element is used to speed up the rate at which the pool ofcyanoacrylate vaporizes and releases its fumes into the container. D. Cardboard. You may need to add more super glue to the tray if the initial glue has dried up. http://www.tackleunderground.com/community/topic/31997-spray-paint-booth-work-center/?p=261230, http://www.tackleunderground.com/community/topic/31895-airbrush-booth-cat-approved/. 2. The employment of a hygrometer and a control mechanism that allows for a calibrated, accurate real-time reading for the induction of the humidity are necessary. A. Whorl to permanently alter the fingerprint and produce scars, one must damage the: Loops include ridge patterns that are generally rounded or circular and have two deltas (T/F). Open the container. C. Salt. A meta-analysis of 40 studies concludes that cinnamon can improve memory Our extensive online study community is made up of college and high school students, teachers, professors, parents and subject enthusiasts who contribute to our vast collection of study resources: textbook solutions, study guides, practice tests, practice problems, lecture notes, equation sheets and more. C. Invented Superglue. D. 2. Physical developer according to 3M a p type filter should be used for super glue fumes. Provide a firmer grip. You protect yourself from the vapor/gases generated from the super glue and particulates of certain sizes. c. Are captured when the subject's fingers and palms are placed onto a glass platen. The use of superglue vapors to detect latent fingerprints, known as superglue fuming, is a chemical process that has not been fully described. Abstract. 3.0 RESULTS AND DISCUSSION 3.1 Superglue Fuming The use of cyanoacrylate or superglue in the enhancement of latent fingerprints were found to be affective on non-porous surfaces such as plastic, aluminium and glass surfaces. I recommend using a small 15-20 watt coffee warmer/candle warmer as the heater. Most gases, organic vapors, acid fumes, etc are much smaller than the 0.3 microns, add a few zeros after the decimal small and easily pass through the particulate filter. Just superglue your mouth and nostrils shut. The super glue used in fuming is an adhesive with basically the same active ingredients as . A. Superglue fume the evidence before mailing.-or-B. Which of the following is NOT true about digital imaging? Elliot Aronson, Robin M. Akert, Samuel R. Sommers, Timothy D. Wilson. Jh111t:=>>>!! 16y1y\frac{16 y}{1-y} \quad1y16y at y=3y=-3y=3. B. I had gotten cocky, and was not wearing my respirator. If the CA vapor is not distributed evenly within the chamber, it is possible to get both under-developed prints and over-developed prints in the same processing cycle, even on the same piece of evidence. Each category (like About the DPS), has multiple sub-categories. D. Had a virtual "double" with a similar name. This process can be done at the lab or even at the crime scene. Pattern Those ingredients, combined with the moisture that's found naturally in the air, react to the fumes . Be careful not to let it develop too long or the spaces between each line will also turn white and make the print more difficult to read. A good investment, if I remember to use it, and to change the cartridges! If you have an account, sign in now to post with your account. A. Fauld Glossy cardboard - Superglue fuming and fingerprint powder. And always be sure to set up your system in a well ventilated area. show more content (1,4,9). B. Information is only good as the source giving it so please keep this in mind and research information presented. What percentage of the population falls into the 1/1 Primary Classification category? C. Leather These fumes will adhere to the moisture deposited by friction ridge skin and turn the ridges white. These filters have a given life span of a given ppm for 8 hrs of use (depending on the exposure limit). Prints impressed in a bar of soap are referred to as: To permanently alter the fingerprint and produce scars, one must damage the? D. Ridges; furrows. Lower viscosity glues spread quickly across the surface of the foil boat and are vaporized more easily than thicker glues that tend to mound. Super Glue Fuming is NOT suitable for use on: Less than. Less than C. 1989 :) A. Methyl-2-cyanoacrylate andEthyl 2-cyanoacrylate being the key words one should search for for super glue. Many industrial or high-strength compounds produce fumes that can have a significant negative impact on human health. C. Minutiae Analytical, Diagnostic and Therapeutic Techniques and Equipment 25. The iodine fumes are usually visible-a kind of purple haze. So if the print is more than 24 hours old or if the air is very dry, then you need to put a small warm water reservoir in the fuming chamber. Based on the findings, the author recommends that the superglue fuming wand not be purchased for widespread use by investigators in the field. False, It is possible to obscure one's fingerprints by scarring. Please turn on JavaScript and try again. ~CBBBCC#"""##( With our help, your homework will never be the same! Compare the direct and the indirect roles of Francis Galeton, in writing his textbook on fingerprints, built on the groundbreaking work in this area by? They range in viscosity from gels (high viscosity) to nearly water-like (low viscosity). B. Iodine fuming. A super glue kit with extra supplies to use over and over again. C. Tile True The order in which chemical treatments to visualize latent prints be performed: Iodine fuming, ninhydrin and physical developer. B. Bytes. A primary classification of 9/3 means that there are: Whorls on the LEFT INDEX and RIGHT RING fingers. It should be done in the scene of the crime. On July 1, Year 1, Rodgers issued $65,000,000 of 10-year, 12% bonds at a market (effective) interest rate of 10%, receiving cash of$73,100,469. Please verify that JavaScript
About: My name is Jason Poel Smith. D. Ridge ending and island. B. Dermal papillae. Experimentation with an individual cabinet will enable the user to quickly determine the ideal amount of glue for a particular cabinet. Silver nitrate. D. Whorls on the left index and right ring fingers. The image produced from a digital file is composed of numerous square electronic dots called: Protein residues are best developed into fingerprint impressions with; The perspiration in fingerprints contains a variety of components that fluoresce when illuminated by laser light (T/F). http://extra8.3m.com/SLSWeb/submitOtherSelFactors.html. D. Francis Galton. Sublimation occurs with the use of which of the following? ZZZnooc@[[[777&!++qrrr~~qxxhoowppr:??pNOOl-bXgggsss? Higher heat, within reason, will result in shorter fuming times and lower heat, conversely will result in longer fuming times. The second fundamental principle of fingerprints is that a fingerprint is an individual characteristic (T/F). A fingerprint pattern having no delta is a(n): A final conclusion made using the ACE-V process is either the individualization or elimination of a print. d. Once they specialize, suppose they work out a trade of 2 million cars for 6 tons of paper. The user must be cognizant, however, that additional time is now required, as well. the fingerprint pattern accounting for only 5% of all known patterns is the: Resist slippage and provide a firmer grip, A latent fingerprint is a fingerprint made by the deposit of oils and/ or perspiration that is visible to the naked eye (T/F), The third fundamental principle of fingerprints is that fingerprints have general ridge patterns that permit them to be systematically classified (T/F). List items considered to be a porous surface. 200 C. Bertillon Superglue fuming is NOT suitable for use on: a. Cardboard. The fiscal year of the company is the calendar year. In which order should chemical treatments to visualize latent prints be performed? D. Superglue fuming. The N95, N100, P100, etc.. all refer to the efficiency of the filter to remove particulates at/above 0.3 microns in size. LP`a f PS@9;{.oP*7bda8 ;'X:`d^wF Wh {.j$CJ3BLV+8 b-bd`g 0 d In what year did the FBI's IAFIS become fully operational? C. Are sent to the AFIS database electronically. $330,000\$ 330,000$330,000. March31,March31,20122011AccountsReceivable,Gross1,054,048885,300AllowanceforUncollectibleAccounts(6,906)(6,781)SalesRevenue5,100,163\begin{array}{lrr} True As a sealer, peel off the backing and place the clear self-adhesive strip over fuming chamber hole. B. Do you think these will work for super glue fumes? A. Then check on the development of the fingerprints. Some examples of other surfaces and the preferred processing technique include: Adhesive tape - Sticky-side powder. An important component of fingerprints is water. Digital imaging is a process through which a picture is converted into pixels (T/F), Computerized system for storing and retrieving fingerprint records. Investigators can use ___ to detect latent fingerprint without use of chemicals or powder treatments? It produces an image composed of pixels. Journalize the entry to record the amount of cash proceeds from the issuance of the bonds on July 1, Year 1. Have eliminated the need for inked prints on paper cards. x ^
x> GRIM 3 I recommend doing several trial runs to get the hang of the process before attempting to develop any prints that you care about. The value of ridge patterns in determining the uniqueness of a fingerprint is ________ the value of type and position of ridge characteristics in determining the uniqueness of a fingerprint. B. Loops on the right thumb and left ring finger. B. DFO Close attention to the variables listed here should give the buyer some confidence in the eventual choice of cabinet. The following account balances appear in the 2018 adjusted trial balance of Spiders Corporation: Common Stock, $30,000; Retained Earnings,$8,000; Dividends, $1,000; Service Revenue,$28,000; Salaries Expense, $16,000; and Rent Expense,$9,000. The CA fumes bond to the surfaces of the items and latent print visualization is, hopefully, achieved. D)Plastic bags. To provide a firmer grip and to resist slippage. u\K?=qa
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Fingerprints leave behind traces of amino acids, fatty acids, and proteins. Iodine fuming, Ninhydrin, Physical developer. The reaction also stabilizes the ridge detail to better preserve for possible future enhancement (through use of fingerprint powder . Skin ridges. This project explains the science behind the cyanoacrylate fuming process and how it is used for latent fingermark detection. To permanently alter his or her fingerprint and produce scars, a person must damage what? B. Henry The order in which chemical treatments to visualize latent prints be performed: Iodine fuming, ninhydrin and physical developer Which of the following types of fingerprints are more likely to be found impressed in soft wax? False, The three kinds of crime scene fingerprints are visible prints, invisible prints, and latent prints. thailand tech startup ecosystem report 2020; superglue fuming is not suitable for use on. Latent. If this happens you can soften the glue with a solvent such as acetone (nail polish remover). Both the glass and plastic are non-porous and suitable for super glue fuming. However, several post-treatement procedures can be used to improve . A. Cyanoacrylate. Take the appropriate precautions to avoid accidental inhalation. 10+ million students use Quizplus to study and prepare for their homework, quizzes and exams through 20m+ questions in 300k quizzes. Which of the following is not a ridge characteristic of a fingerprint? Your browser is unable to render the navigation correctly. The number of deltas found in an arch pattern is __. I know very little about the different types of respirators, but do remember reading a lot of what Travis says when I was researching a respirator for use with auto clears. It is imperative that users understand the process of polymerization and know that the variables involved must be understood and addressed. What is considered holy writ in one laboratory may be a prohibited practice in another. D. Assay technique used to identify drugs. Physical developer contains: A. Upload or insert images from URL. C. William West d. $112,000\$ 112,000$112,000. B. D. Radial Loop, Loops include ridge patterns that are generally rounded or circular and have two deltas. GC/MS Discard Apply . Sweden can produce 25 tons of paper or 5 million cars each year. Hidden. A. Super glues are valued for their resistance to temperature and moisture and are commonly used with stone, metal, wood, plastic, glass ceramic, paper and most other common substances. a. Super glue fumes tend to last from 8 to 12 hours, depending on how fast the glue dries and whether the room is properly ventilated. Currently, which of the following, in conjunction with chemically induced fluorescence, is most often used to visualize latent prints? The ACE-V process requires an independent examination by a second examiner. The pores of the sweat glands are located in the: The application of heat is quite effective in speeding up the development process. A-To maximize profits a competitive firm should produce at that output at which total revenue is greatest. No common stock was issued during the year. The quantity of liquid cyanoacrylate used and heating time is as . You cover both basis neglected by many. True The evolution of the different cyanoacrylates, now manufactured specifically for latent print development, as well as the introductions of a wide variety of fuming chambers, have induced a false belief that one only needs to push the Start button in order to achieve the best possible results. c. Applying the dye rhodamine 6G after fuming with cyanoacrylate, Gerontology Chapter 1 THE GROWTH OF SOCIAL GE, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, Alexander Holmes, Barbara Illowsky, Susan Dean. Iodine fuming is still widely used because it is inexpensive and easy, sensitive, and is non-destructive because the stains it produces are ephemeral. a. R. Thumb R. Middle R. Little L. Index L. Ring, Vietnamese 101 - 4th Chapter UofA/Ta : Cu, Operations Management: Sustainability and Supply Chain Management, Alexander Holmes, Barbara Illowsky, Susan Dean. What recommendations do you have for improving the process? Some experimented with heating the glue to speed up the process8,9. The vapors ofcyanoacrylate are toxic (http://en.wikipedia.org/wiki/Cyanoacrylate#Toxicity). Iodine fuming 3. In addition to glass and plastic, other examples of surfaces suitable for fuming include the cover of this magazine, metal and rubber. Did this as a project in college, pretty cool that this technique was by accident in Japan. Prints that are not readily visible are commonly referred to as what? Substrate surface. Had a virtual "double" with a similar name. They are derived from ethyl cyanoacrylate and related esters. Transactions from the period December 1 through December 23 have already been journalized and individual items have been posted. How long does it take to get k2 spice out of your system. That way you don't have to keep opening and closing the container. Post the totals of the special columns. . Are captured when the subject's fingers and palms are placed onto a glass platen. They also make Gas/Acid Vapor cartridges that effectively removed designated organic vapors and acid vapors. Facebook. endstream
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Super Glue really is "super". Ethyl cyanoacrylate, which is found in most super glue products, reacts with cotton and wool. 1.) Prints impressed in a bar of soap are referred to as: What does ninhydrin detect on a latent print? Journalize the entries to record the following: Determine the total interest expense for Year 1. Your text discussed an individual who attempted to destroy his fingerprints with corrosive acid who was this individual? pb
The cyanoacrylate group in the monomer rapidly polymerizes in the presence of water to form long, strong chains. Are sent to the AFIS database electronically, have eliminated the need for inked prints on paper cards, are captured when the subject's fingers and palms are placed onto a glass platen. The car was then lifted successfully by the crane without the bond breaking. Will West was the man who: Evaluation Superglue fuming is a chemical process that exposes and fixes fingerprints on a nonporous surface. \text{Allowance for Uncollectible Accounts}& (6,906) &(6,781)\\ The second fundamental theory of fingerprints states that a fingerprints remains unchanged once the individual enters adulthood (T/F), After the latent print has been visualized, a photograph must be taken before any further attempts at preservation (T/F), RUVIS detect prints by using chemical treatments (T/F). D. Lift the print with adhesive tape. Cyanoacrylate fuming (aka CA fuming or superglue fuming) is widely recognized as a powerful and useful process for the visualization of latent fingerprints on many types of surfaces. The method relies on the deposition of polymerized cyanoacrylate ester on latent fingermark residue (Ramotowski . Allow it to sit for at least 10 minutes. The easiest way to do this is to use the Adjust Levels tool to change the brightness input levels. Consistency and repeatability of results will be the natural result of this understanding. C. Rolled. Sci, 53, (2008) 1138-1144. The number of delta found in an arch pattern is ___ the number of deltas found in an loop pattern. c. Leather. Answered by Chentot. Explain why Will West is important to Forensic Science. What does a primary classification of 9/3 mean? They say Organic Vapor Cartridge, for spraying paint, solvent, and pesticides. 0 Answers/Comments. Ask how long an effective purge takes. D. Dusted. What is the minimum number of ridge characteristics necessary before two fingerprints can be identified as the same? What is the purpose of friction skin ridges? The interest payment on June 30, Year 2, and the amortization of the bond premium, using the straight-line method. 4. The final step is to determine the price per square foot of processing area you will get for your money. The variables over which the user has no control are the substrates and compositions of the submitted items, the age of the items, the quality of the latent prints already deposited and any contaminants on the surfaces of the items. Glue adheres and dries to skin in seconds, quicker than other materials. C. Fauld. Sublimation occurs with the use of: D. Superglue fuming, The ACE-V process requires an independent examination by a second examiner. Over-fuming is a little more complicated. The number of deltas found in an arch pattern is ----- the number of deltas found in a loop pattern. Test Print Tab is a new and innovative product that not only seals but works as a timer for fuming chambers. %%EOF
C. 2, 1, 3 You don't want to under develop or over develop your prints. This applies to the most rudimentary field techniques for CA development and to the use of expensive laboratory CA cabinets. C. It does not allow for the simultaneous comparison of two prints, Sir Francis Galton, in writing his textbook on fingerprints, built on the groundbreaking work in this area by: False, Which step of the ACE-V process requires the examiner to identify any distortions associated with the friction ridges? Plain whorl. _less than____ the value of type and position of ridge characteristics in determining the uniqueness of a fingerprint. Vapors of cyanoacrylate were fed into car through a hose and car itself acts as a fumigation chamber. None to date Fuming: Iodine and Superglue fuming; 1. Gish has expressed concern regarding the ability of the business to meet income tax obligations. It does not allow for the simultaneous comparison of two prints. I have a 3M respirator from Home Depot, with the filters for painters. This is a nice and simple . Since the reaction requires moisture from the air to occur, the air in the tank can be kept at a high level of humidity to ensure that . I just spent the past three days on the DL from using super glue with the big garage door closed, so my fan didn't really get the fumes out when I was using super glue, and I didn't smell it until it was too late. Your client, Javonte Gish, mentions that because her business sells perishable goods, she has striven to maintain a FIFO flow of goods. C. Comparison B)Metal. Central pocket loop. http://www.3m.com/3M/en_US/company-us/all-3m-products/~/All-3M-Products/Personal-Protective-Equipment/Reusable-Respirators/Safety/Worker-Health-Safety/?N=5002385+8709322+8711017+8711405+8720539+8720550+3294857497&rt=r3, http://extra8.3m.com/SLSWeb/selectDisclaimer.html?reglId=20&langCode=EN&countryName=United%20States. What percentage of the population falls into the 1/1 primary classification category? How to Remove Carpet Glue From Concrete. H H PMcs:ysvyls5'+++'''//@ H Structure of the backbone of a cyanoacrylate polymer. HDF$8
3S&FbF? True Study with Quizlet and memorize flashcards containing terms like Sir Francis Galton, in writing his textbook on fingerprints, built on the groundbreaking work in this area by: a. Henry b. Bertillon c. Vucetich d. Fauld, The fingerprint classification system used in most English speaking countries was devised by: a. Henry b. Vucetich c. Herschel d. Fauld, Will West was the man who: a. A cup of very warm water, while possibly acceptable in a five- gallon aquarium, is woefully inadequate when placed in a 30 cubic foot cabinet. False, What is the minimum number of ridge characteristics necessary before two fingerprints can be identified as the same? Ethyl 2-cyanoacrylate being the key words one should search for for super glue. 8811 Prospect AvenueKansas City, MO 64132-2696, (816) 333-8811 phone(816) 363-0130 fax(800) 821-5525 toll-free, Labconco, 2023 - All rights reserved | Site by Ebeacon | Powered by CMC3, Balance, Bulk Powder & Equipment Enclosures, Dry Evaporators, Concentrators & Cold Traps, Chemical Reference Guide for Ductless Hoods. In the primary classification system, a finger is assigned a numerical value if it exhibits. Evaluate each algebraic expression at the indicated values of the variables. Superglue fuming is NOT suitable for use on: A. Almost any closed container can be used to house the fuming process. mark poulson, October 4, 2016 in Hard Baits. B. Iodine fuming The method develops clear, stable, white colored fingerprints. B. H6* +D(E({de;+g[6!HCdwP(d0kkkOOOEEECCC333www]]]eeeccc===MMM///---4qwwwoogxx#88@ 111 @dddttt677fgg'&&JJJ\]]$%%_XXXfffAAATTTZZSQQxmmm
t:<55khhdeez{{ggg'$$,--q www4G$d2%jjj$Z[[+++Qp333hyyymmm99%--m``#! Under which circumstances have two people have been found to have identical fingerprints? Set up the test sample in the corner opposite of the heater. Rule the cash payments journal. Where are the pores of the sweat glands located? Some surfaces like highly polished firearms, well-handled plastic bags and bottles are much more susceptible to over-fuming than other types of evidence and must be watched carefully throughout the process. True brick 3.) less than___ the number of deltas found in a loop pattern. If this is not possible, you may want to tape the edges closed. Computerized fingerprint search systems match prints by comparing the position of ________ and ________. See all cards 9 years ago D. 1999, Which is NOT considered a porous surface? B. A Pocket Sundial From a Broken Pocket Watch! D. Whorls on the left index and right ring fingers. Visible True Apply superglue to untreated cotton pads. They also make Gas/Acid Vapor cartridges that effectively removed designated organic vapors and acid vapors. Cyanoacrylate is the generic name for a family of strong, fast-acting adhesives that are generally labeled as "Super Glue." In my free time, I am an Inventor, Maker, Hacker, Tinker, and all around Mad Genius, http://en.wikipedia.org/wiki/Cyanoacrylate#Toxicity. (1999) reported a case in which latent fingermarks were developed inside a vehicle by cyanoacrylate fuming method. You want to position it in such a way that the area with fingerprints will be readily exposed to the fumes in the chamber. Describe the main requirements of the Sarbanes-Oxley Act of 200220022002. Now that you have developed the prints, you can make copies of them with fingerprint lifting tape. A. Alphonse Bertillon. Creates a high-gloss finish when dry. Spend some time adjusting the settings until you find the best results. After getting answers to the questions above, youll be well informed to select the right CA fuming chamber for your needs, now and in the future. Almost nothing in the forensic sciences, however, is less standardized. Hygrometers, instruments used to measure relative humidity, are inexpensive and readily available. Now it is time to assemble the fuming chamber. Before my students start the lab I have them place their
Waxy surfaces - Sudan Black. B. 0
Metal 8Starbond EM-02 Super Glue Kit. Cyanoacrylate fuming (aka CA fuming or superglue fuming) is widely recognized as a powerful and useful process for the visualization of latent fingerprints on many types of surfaces. A primary classification of 9/3 means that there are: Your previous content has been restored. True Step 7: Use the Fuming Chamber to Develop Fingerprints. B. Does restaurant outsourcing increase capacity? D. Had a vertual "double" with a similar name, The perspiration in fingerprints contains a variety of components that fluoresce when illuminated by laser light. I was going to reply on the other thread but didn't get around to it. Unless, however, the aforementioned variables are understood and addressed, results can be frustrating and unpredictable. Ask if the heat source is specifically designed for this purpose. It is frequently necessary to remove such items long before it is necessary to remove other types of evidence.