Fingerprints give away more than identity
Method detects tiny specks of cocaine, other illegal drugs stuck in whorls
![drugs in fingerprints](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/05/bm_druggie_free.jpg?fit=860%2C460&ssl=1)
TOUCH OF DRUGS This fingerprint is laced with tiny traces of cocaine, as detected by a new method.
S. Muramoto et al/Analytical Chemistry 2015