Prime in example sentence
Having already been warned by the latter to mend his ways or else, Andrews panics and impersonates Stevens for a couple of hours following his murder to put the police on the (in this case) wrong tracks of Merrill; however, after Tully becomes the prime suspect (by which time Andrews and Tierney are romantically involved), the cop goes by himself in Merrill's lair fully intending to get bumped off and 'frame' the racketeer for his own murder!