How Washington State Patrol Officers Know That You're High
Originally aired: Tuesday, March 18, 2014
Washington State Patrol Sergeant Mark Crandall is an expert in detecting what drug someone is using, and he trains other officers so they know what to look for when they pull someone over. This is a look into the training process. The Department of Corrections pulls high people off the streets so officers have live people to train with.
(photo by CC: Jens Finke - fotografie grafik verlag)