Forensic Files - Pure Evil - Collection 5 - Episode 25 - Netflix, Season 6 - Episode 19 - In the series - Matt kicks off the show discussing the brain of a killer and the connection with growing up in a home without a father. oh....Happy Father's day weekend! Then a mullet lovin', animal killing scumbag kills 2 teenagers. One of the more gruesome cases of mutilation on the files. Matt also determines that sleeping on a hammock in the front yard sounds cool. Outside of this exception. And we also solve the world's problem with simply teaching the "Golden Rule". It's that easy... duh.