Hiring Tanner is the same as killing someone.
Once the assassin has a target he won’t stop until they’re dead. Frank Richards thought Tanner was a robot he could turn on and off at will. But Tanner has no off switch and lives by his own code.
When Richards changes his mind about having mobster Albert Rossetti hit, he orders Tanner to let Rossetti live.
Too late!
Rossetti is Tanner’s target, and nothing and no one will keep him from fulfilling his contract, not the FBI, not prison, nor the endless line of killers sent to stop him. Tanner is coming, Tanner is deadly, and Tanner never fails.