Here's Part 1 of the horror talk of Edmund Kemper (born December 18, 1948), an American serial killer who murdered six college students before murdering his mother and her best friend from September 1972 to April 1973, following his parole for murdering his paternal grandparents. 

https://www.youtube.com/watch?v=dyOxwsCvctQ

https://www.youtube.com/watch?v=0XSH7MhFY38

https://www.youtube.com/watch?v=rSFP_nXOwtE

The Killing of America (1981): https://m4uhd.tv/watch-movie-the-killing-of-america-1981-16880.html

Mindhunter (2017-2019): https://m4uhd.tv/watch-tvseries-mindhunter-2017-20961.html