(NewsNation) — A search of Philadelphia’s so-called “House of Horrors,” where alleged serial killer Raymond Horsch once lived, is set to ramp up Monday as investigators try to determine what happened inside the home that has been linked to at least five missing women whose fates remain unknown.
A large-scale search of the home at 417 W. Chew Ave. is expected to continue for an extended period, authorities said. Police reportedly met with neighbors and told them to prepare for disruptions as heavy equipment is brought in to excavate the property. Investigators are expected to remove areas of the home and any furniture where blood, hair or fiber evidence could be found.
A “mysterious sludge” recovered from the house has already been sent to a lab in Chicago and could contain remnants or evidence of wet cremation, a process that uses a heated water-and-alkali solution to break down a body, forensic analyst Joseph Scott Morgan said during an interview on “NewsNation Live.”
What we know about women linked to possible serial killer investigation
The investigation began after Eugene Horsch, the son of Raymond Horsch, was arrested following a traffic stop this summer. Federal park rangers noticed him parked in an off-limits area along with an unidentified woman. During the stop, officers found Eugene Horsch in possession of fake federal IDs. The woman allegedly presented identification belonging to Blair Tonzelli, a woman reported missing in 2023. Drugs and weapons were also recovered during the stop…