Jack Hammer was a minor antagonist in the video game Phoenix Wright: Ace Attorney, and the main antagonist in the Turnabout Samurai chapter.
in 2011, Vasquez witnessed a fight between Jack Hammer and a fellow actor named Manuel. An accident occurred shortly after when Hammer on purpose pushed Manuel on a sharp fences, which impaled and killed him. Due to Vasquez's mob contact, the accident never leaked to the press. Vasquez then used the said murder to blackmail Hammer later on.
years later Jake then plans to murder Vasquez at first it was thought to be as revage but it later truns out he
just hated the fact that Will powers was more famous then he was so he came up with a plan to frame Will the person that looks up to him for murder.
Jack frist got Will to sprang his ankle then he drugged him and toke his costume he then trys to kill Vasquez
witch ended up pushing him to his death in self defense.
even thought he is dead he still manipulate everyone into framing Will powers and almost had his life ruined he also almost got Wendy oldbag with was a fan of his arrested for murder as well.
his actions also all most got the main characters killed and he also ruined Sal and vasquez lives. In the end all he cares about is being famous and money