Originally Posted by Aatif Sulleyman
New fingerprint technology is capable of detecting traces of drugs, blood, alcohol, condom lubricants, hair and cleaning products and other substances of forensic interest.
Detecting drug metabolites would indicate drug 'abuse' rather than 'handling', which pertain to two very different forensic scenarios.
The technology is called Matrix Assisted Laser Desorption Ionisation Mass Spectrometry Imaging and Profiling (MALDI-MSI and MALDI-MSP).