Mistaken Identity

Identity II is a 2005 American Thriller film and sequel to the 2003 Thriller Film Identity. It is written by Michael Cooney and directed by James Mangold. The film stars Joan Cusack, Marley Shelton, Emmy Rossum, James Read, Hayden Panettiere, Nicholas D'Agosto, Michelle Rodriquez, Steve Carrell and Pruitt Taylor Vince.

Summary
Following from Identity Malcolm Rivers has killed his doctor and transport driver.

He is soon apprehended at the Nevada Motel where he was abandoned as a child and created the personalities that were all killed of by the drug administered to him by his doctor.

Malcolm Rivers now only possessing the murderous Identity of Timothy York is put to death by the Electric Chair.