Does Philadelphia’s ‘house of horrors’ hold the key to seven missing women?

City on edge as police comb home of Raymond Horsch, pornographer who died last year, in grisly case involving disturbing pictures and film A dilapidated house, burned out above the second story, may hold clues to dark tales and – potentially – the darkest of endings as the FBI and police in Philadelphia try to unpick what took place at 417 West Chew Avenue for more than three decades.