warren about the supposed affair with sheila keene, he denied it. >> sheila denied it outright. . we're just doing work." >> in june 1990, just hours after investigators found the chrysler lebaron linked to marlene warren's murder, police were able to get a search warrant to search sheila's apartment here in west palm beach. >> they took a number of items, including the contents of the trash barrel in her bathroom. >> no clown wig or clown costume or makeup is located at miss keen's apartment. no firearm that could be linked to this case is located. >> it's another trail that leads basically nowhere. and the truth is, the news cycle moves quickly, and with hundreds of murders happening in south florida that year, the case of the killer clown eventually all but disappears from the headlines. >> sometimes when we have these unsolved murders, there's sometimes a squeaky wheel that gets the grease. family members, it's not unusual to hold their own press conferences to squeeze the police departments to try to do more than what they're doing. that didn't happen in this case. unfortuna