Other mistake: When Stanley is driving the Tuscan TVR while trying to escape the assassins, each close-up of the dashboard readout reveals that the speedometer is actually at 0. (01:01:00)
Other mistake: In the opening coffee shop scene, Gabriel is seen preparing and lighting a cigar. Following this you have several clear shots of both hands above the table. However when he leaves the coffee shop, he has a bomb trigger in his hand, that he implies will go off if he lets go. Where was it when he was preparing his cigar and sipping his coffee? (00:01:33)
Suggested correction: That's because he picks it up as he stands.
But the dead man switch was the only thing keeping the police from subduing him. Why didn't they subdue him then?