Santa Cruz, 1972. Parts of bodies start coming out from the ocean. It is hard to solve the cases as the murders were unrelated to each other. Police start suspecting it is a serial killer. They name him the Co-ed butcher.
In 1973 a guy calls from Colorado and he confesses the murder of his mother and a friend of hers. He also sais he was the co-ed killer and murdered 10 people.
We talk about Edmund Kemper III, a very important personality as in 1978 he was the first serial killer to be interviewed by John Douglas, the author of Mind Hunter. His crimes were terrifying, but he helped greatly in developing behavioral criminology.