Fingerprint Test Could Detect Cocaine Use Within 30 Seconds
scientist have devised a fresh means to check someone ’s fingerprint and tell within seconds whether they ’ve used cocain . Led by the University of Surrey , the survey was publish inClinical Chemistry . It is the first large - scale study of cocaine users , and could lead to a breakthrough in how Class A substances are discover . The enquiry , conducted in tandem with the Netherlands Forensic Institute , used something known as report nebuliser mass spectrometry ....