The governor's administration first introduced the Trooper Thomas Clardy Law in 2019. It was named for the state trooper fatally struck in 2016 by a motorist who had THC, the psychoactive compound in marijuana, in his system at the time of the crash.
— Read on www.bostonglobe.com/2021/11/10/metro/baker-renews-push-prosecute-drugged-drivers-refiles-bill-named-after-trooper-who-died-roadway/