paige birgfeld (answering machine): hello. service. keith morrison (voiceover): now, every client who contacted paige on june 28, and there were many, was a potential suspect. here's just a sampling of her phone messages that day. this afternoon. yeah. please give me. >> a call back. i'm going to go get me a motel room now. i'm just calling to see if carrie was available tonight. >> hi, this. >> is glenn. i'm just. >> wondering if anybody's. >> still available. i'm at the country inn, and i was just calling to see if anybody's still available for the night. >> yeah. >> hello. >> this is jim. >> i tried calling you last night. give me. >> a call. >> thanks, dave. >> thanks, dave. >> i was t keith morrison (voiceover): so they put together a list, called it possible suspects, the two ex-husbands now joined by six of paige's clients. nothing to do but check out all of them, beginning with the last client paige called-- this guy, george coralluzzo, who, the day paige disappeared, called her 19 times. we're thinking that's our guy.