Five women appear lifeless in the pictures. Two more are still missing. Investigators have already counted 58 alleged victims in the digital wreckage pulled from a rotting twin house on Chew Avenue in Olney. And the man who built that house of horrors died in his bed last year at 82, never answering for any of it. Raymond “R.C.” Horsch was a pornographer who wrote books about serial killers preying on women, filmed sadomasochistic filth, and spent decades fishing vulnerable addicts out of Kensington with cash and narcotics. His son Eugene, 44, is the one sitting in federal custody. The...