All right, what was Vincent's game-plan again?

Rating: 6/10 (25 January 2006)

Spoiler alert: Vincent's plan to avoid prosecution is to take a cab to each of five targets' homes and kill them all in one night, then kill the cabbie, making it look like the suicide of a crazed spree-killer instead of the work of a professional hit-man. Apparently, from what cop Fanning says, he has done this at least once before.
So this means...
1) Vincent feels sure no one will question the idea of a "spree killer" who happens to kill the prosecutor and four of her witnesses in a major gangster's trial.
2) Once the plan goes south and Max witnesses the first murder, Vincent thinks Max is dumb enough to help him commit four more murders, on the promise that Vincent won't kill him.
3) Vincent will not kill Max and find a dumber, or at least more cooperative cabbie, even after Max throws away the addresses of his targets.
4) Vincent will send Max into a nightclub unsupervised, to get a copy of his targets' addresses from a major gangster who will kill both Max and Vincent (or at least, destroy Vincent's professional reputation) if he suspects Max is not the real hit-man.
5) Vincent will spend all night chatting, in public, with various victims, their acquaintances and employees, witnesses, Max's dispatcher...and will even insist on going to the hospital to visit Max's mom. Because later, all these witnesses will assume it was Max who wigged out and killed everyone associated with this trial, and not his loquacious, silver-haired passenger.
Now, this all makes sense...if Vincent is having a mental breakdown.
Or am I thinking of "The Matador"?