Why Is Shutter Island Insane

Shutter Island: Leonardo DiCaprio plays a character named Teddy, a disturbed inmate imprisoned on Shutter Island. Through the course of the movie it becomes clear that Teddy suffers severely from hallucinations, paranoia, and extreme memory loss. In his own mind he believes he is visiting Shutter Island as a detective assigned to find a missing patient and is disturbed by the “insane” people on the island – when really, he is the most watched, and in fact, the missing patient. Throughout the film, flashbacks show his traumatic past of his wife drowning their children in a lake which then leads Teddy to breakdown and murder her. These events drove him completely insane, and made him an extremely dangerous, violent person. Teddy suffers