Here's Part 1 of the horror talk of Dennis Nilsen (23 November 1945 – 12 May 2018), a Scottish serial killer and necrophile who murdered at least twelve young men and boys between 1978 and 1983 in London. 

https://www.youtube.com/watch?v=aSW9Q7h3Efs 

https://www.youtube.com/watch?v=T-ovJTifgbs 

https://www.youtube.com/watch?v=0QQsTJuQrq0 

https://www.youtube.com/watch?v=vqLjV9Ox_m4 

https://www.youtube.com/watch?v=HFIC_4iehLE