How do skiers know if guide is stoned?

In response to the statement from state trooper spokesman Lt. Dial (Dec. 13 CVN, “Troopers Won’t Re-visit Heli-ski Probe”): “If Liberman survived, he could potentially be held criminally liable, but the company is not criminally liable by extension.”

Had Rob survived, who would have known THC was in his bloodstream? It was the result of the autopsy report that this information became public. Would he have been tested? Alaska Helisking has no drug-screening policy. Were…