mike samuels is the front-door manager. >> she got to the sidewalk. she went around to the right towards the east. >> reporter: she's solo. >> 100% by herself. >> reporter: while his private detective followed up wafer-thin leads, kevin decided to call the medical examiner's office. >> i gave a very, very accurate description of her. and the medical examiner says, hold on a second. gets back on the phone, says, we're sending a detective. heart just sinks. >> reporter: the detectives ask kevin, did paula have any body piercings? yes, he said, she did. >> he pulled out a baggy. a ziploc baggy. and there was two piercings, two posts. they're all, like, charcoaled, like all burnt, blackened, you know? and he said, would these be the piercings? and i lean, and i look close. i'm, like, no. checked out some photos of paula on kevin's iphone. they studied an earring. >> he pulled out a photocopy of her earring. and i knew it was her. and that was the worst day of my life. >> reporter: the earring, paula's earring, had been found at the scene of a burning dump