The UnXplained Special - Diabolical Killers

https://www.rottentomatoes.com/tv/the_unxplained_special_presentation/s02/e08

https://tv.apple.com/us/episode/diabolical-killers/umc.cmc.5xw7p16zxafxfbwc0s6m97g1c?showId=umc.cmc.319ul8ydj2ss4kk3uinlfzsab 

https://www.tvmaze.com/shows/71706/the-unxplained-special-presentation

https://www.themoviedb.org/tv/236416-the-unxplained-special-presentation 

https://www.imdb.com/title/tt31961684/ 

https://tubitv.com/tv-shows/200035494/s02-e15-serial-killers?startPos=0