Death Follows a Psycho (1972)
Private eye Wade Griffin finds himself in an intense stand-off with a "human time-bomb", who is holding four people hostage and will kill them all unless Griffin delivers the person that the bomber really wants dead.
Private eye Wade Griffin finds himself in an intense stand-off with a "human time-bomb", who is holding four people hostage and will kill them all unless Griffin delivers the person that the bomber really wants dead.