Police officers are trained to not be too 'quick on the trigger'. [=eager to fire a gun]
The timer was set to 'trigger' the bomb in exactly one hour.
The faulty wire was the 'trigger for' the explosion.
(..) Alex is a passenger, just along for the ride. But, if the machine is in control how is Murphy accountable? Who's pulling the trigger? When the machine fights the system releases signals into Alex's brain. Making him think he's doing what our computers are actually doing. I mean, Alex believes right (..)2014 RoboCop
(..) killed a child. What would it feel? Nothing. That's the problem. That's why percent of Americans will not stand for a robot pulling the trigger. America is the world's most valuable market, and we can't touch it. With a domestic expansion we'd clear billion dollars per annual. (..)2014 RoboCop