Dexter is an American crime drama television series based on the Darkly Dreaming Dexter novel written by Jeff Lindsay. Dexter TV series follows a  character named Dexter Morgan an orphaned boy who in the past witnessed his mother being brutally murdered by a chainsaw. Dexter is molded into a sociopath by his adoptive father and police officer Harry Morgan. Dexter is a brilliant forensic technician who has a secret vigilante serial killer identity and hunts down criminals are other evil-doers in order to fulfill his perverted sense of justice.