@cbsphiladelphia: It's "the most unusual search that probably anyone has ever seen," said attorney Jerome Brown, who represents Eugene Horsch, the son of suspected serial killer Raymond "R.C." Horsch. More than 100 search warrants have been issued as federal investigators continue their probe into the “House of Horrors” case and the home at 417 Chew Ave. Visit the link in bio for CBS News Philadelphia Uncovers: "House of Horrors" on YouTube, where investigative reporters Joe Holden and Liz Crawford discuss the case.