India, Aug. 19 -- Raymond 'R.C.' Horsch's disturbing books are in focus amid an investigation into a "mystery house" in Philadelphia's Olney neighborhood. His son Eugene Horsch's house is under investigation, with evidence suggesting that two missing women died there.

CBS News Philadelphia reviewed hundreds of pages of Raymond's books, and reported that much of the material is graphic, disturbing, sexually explicit and violent. Raymond, who died in 2025, was married to Amy McHale, who disappeared in 2016. He reportedly produced snuff films and wrote erotic books with sadomasochistic themes.

In one chapter of one of his books, Raymond claims to have murdered a woman and later disposed of her body through a chemical process. The self-desc...