You thought that wild weekend from months ago was ancient history? Think again. While blood tests only catch drug use from the past few days and urine tests stretch to maybe a few weeks, there’s a ...

There are growing concerns over the way hair strand tests are being interpreted in the Family Court.

Add Yahoo as a preferred source to see more of our stories on Google. Revised guidelines for drug-testing hair scheduled for publishing next year. (Photo: Jim Allen/FreightWaves) WASHINGTON — The U.S.

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the three decades since Florida sent Gerald Delane Murray to death row for murder, ...

Old-School Hair Analysis Is Junk Science. But It Still Keeps People Behind Bars The technique, developed before DNA testing, can’t definitively tie suspects to crime scenes. Try explaining that to ...