The method of definition of addicts on a fingerprint] is develope

pixabay.com Appeared new Technologies of identification heroin traces on skin of the person. She allows to reveal drug even in case hands were washed up. The technique was developed by scientists from Universities County of Surrey to United Kingdom. Researchers took fingerprints from people who arrived on treatment in narcological clinics and declared heroin or cocaine reception within the last 24 hours. After participants asked to wash up carefully hands with soap and water and to put on nitrile gloves some time. Then scientists once again removed prints at the experimental. In the same way prints...