wayne weyler: he had their phone numbers, bra size, and whether or not they would have sex. keith morrison (voiceover): strange? maybe. but did it mean anything? when "dateline" continues. [theme music] keith morrison: paige birgfeld had disappeared, leaving behind three children and a secret life as an escort. one of paige's clients, steven heald, told police she was blackmailing him, which seemed like a promising lead, except heald's wife supplied an alibi. they were home that night reading, watching tv. so heald seemed to be in the clear, which made it all the more shocking when after being questioned by detectives, heald attempted suicide. that, the hot singer assumed, was not guilt, but shame. people don't really want to have it out in public that yeah, i was patronizing a call girl. keith morrison: they checked out a drifter named john livingston who, the night paige vanished, called her again and again from a motel 6, desperate, apparently, for her attention. except there was no evidence paige ever went to see him. but then there was this client, lester ralph jones. t