For those who don't know, Ed Kemper hated his mum SO MUCH that he cut her head off and raped it, then put her vocal cords down the sink.

The Co-Ed Killer is one of the biggest serial killers in history, towering over everyone he encountered.

Ed Kemper's brother lives in fear that his huge murderous sibling will use his IQ to get out of prison... and hunt him down and kill him.