Shocking body cam video captured the moment a Colorado cop tased a fleeing man after a traffic stop — who then fell across the lanes of a busy highway, where he was fatally struck by a passing SUV.

Deputy Lorenzo Lujan stopped Brent Allen Thompson, 28, about 9 p.m. Feb. 18 near a hotel off Interstate 25 in Larimer County when he noticed that his Ford Fusion had expired tags, 9 News reported.