Investigators have returned to the infamous Philadelphia home of the late Raymond "R.C." Horsch to search the property yet again for any clues in a case involving multiple missing women and a potential serial killer.Philadelphia police and federal investigators were seen at the home on Monday as they executed a search warrant, FOX 29 Philadelphia reported.Authorities are ramping up their search of Horsch's home on Chew Avenue in Olney – an effort they said will shut down roads and involve more digging at the property, according to the outlet.INVESTIGATORS REVISIT FLORIDA SERIAL KILLER CASE AS SEARCH RESUMES FOR POSSIBLE ADDITIONAL VICTIMSFOLLOW THE FOX TRUE CRIME TEAM ON XPolice have warned neighbors during a community meeting that the investigation will involve more disruptive law enforcement efforts."We all came together just to make sure neighbors understood that this is an ongoing investigation, we understand it is disruptive, neighbors and businesses are concerned, so we need to provide support and resources," Councilmember Anthony Phillips said, FOX 29 reported.SIGN UP TO GET THE LATEST TRUE CRIME NEWSPolice have linked seven missing women to the Olney neighborhood home and investigators recovered more than a million photos and videos. At least five of those women are believed to be dead.CLICK HERE FOR MORE FROM THE FOX TRUE CRIME HUBSEND US A TIPLISTEN TO THE NEW 'CRIME & JUSTICE WITH DONNA ROTUNNO' PODCASTAuthorities are working to determine what the disturbing images and videos depict, particularly because Horsch was known for producing violent pornography.GET BREAKING NEWS BY EMAILHorsch, an 82-year-old who produced brutally themed pornography and books, died last year.WOMAN PLEADS GUILTY TO PAYING FOR SEXUAL TORTURE VIDEOS INVOLVING MONKEYS FOR ONLINE GROUP: 'SICK PERSON'His son Eugene Horsch, 44, was arrested in June on charges involving unlawful firearms and forgery, which led police to make concerning discoveries at the family home.Fox News Digital's Michael Ruiz contributed to this report.