Technique to Lift Prints from Receipts
In the past, lifting prints from old receipts has posed a problem for forensic investigators, as the chemicals and solvents generally used to lift them would react with the paper to turn it black. Now, scientists have figured out that prints can be obtained from thermal receipt paper, a most commonly used type, using heat and blue light. “By gently heating the paper and exposing it to blue light…they can reveal the fingerprint left behind on the paper by the sweat from your fingertip”. This new development presents promise for fraud investigations.
View the article here.
Source: forensicmag.com
Citation:
Gray, R. (December 19, 2013). Forensic Magazine. Why Forensic Scientists Want to Get Their Hands on Old Receipts. Retrieved December 19, 2013 from http://www.forensicmag.com/news/2013/12/why-forensic-scientists-want-get-their-hands-old-receipts#.UrNN0WRDs3M
[Abstract written by Alex Mitzel, ForensIQ Intern]
