Law enforcement says driving while high on marijuana is just as dangerous as driving while drunk, but KCRA 3 investigates found that very few people are actually arrested for driving high. Sara Porter is a criminalist at the Sacramento County Crime Lab. It’s her job to analyze blood and urine samples. "It's like dirty laundry," Porter said. "There is always something to do. We are never fully caught up." Subscribe to KCRA on YouTube now for more: http://bit.ly/1kjRAAn Get more Sacramento news: http://www.kcra.com/ Like us: http://facebook.com/KCRA3 Follow us: http://twitter.com/kcranews Instagram: https://www.instagram.com/kcranews/