time that they gave me, frank canno came up. reporter: wow. for every single intersection. i was shocked. reporter: but something about that man, frank canno he had a buddy. and she had run into them both. i mentioned, i do know he has a friend, stephen gordon. reporter: steven gordon, he s done time for molesting a minor and later kidnapping. he and canno were inseparable, apparently. once again, detective pulled up the gps coordinates to check the place martha was last seen in santa ana, and no gordon. not there. when she checked locations for quinna and josephine, there he was. so why not at the first location? she checked the record and discovered at that particular moment gordon wasn t on a gps
reporter: an every intersection for that date and time that they gave me, frank canno came up. reporter: wow. for every single intersection. i was shocked. reporter: but something about that man, frank canno he had a buddy. and she had run into them both. i mentioned, i do know he has a friend, stephen gordon. reporter: steven gordon, he s done time for molesting a minor and later kidnapping. he and canno were inseparable, apparently. once again, detective pulled up the gps coordinates to check the place martha was last seen in santa ana, and no gordon. not there. when she checked locations for quinna and josephine, there he was. so why not at the first location? she checked the record and
all sex offenders on parole will have an anklet, a gps monitor. reporter: she asked where any of those here where jerree placed her last phone call or here where she wound up with a dumpster. you find the same locations, you are getting somewhere? mm-hmm. reporter: she ran the search. what were the chances she got a hit in both locations? she called detective trapp. there s only one person. she says, i know him. i says, who? his name is frank canno, he s a sex offender. reporter: he pleaded guilty to committing a lewd act on a minor. now, did his monitor put him near the places those other three women, according to phone records, made their last calls? quinna, josephine and martha? one by one the detective got the coordinates.
work circuits. reporter: prostitutes? first i was, okay, no, that can t be. reporter: then the truth came crashing down, undeniable. quinna had missed a scheduled court date in santa ana for a prostitution charge. wait a minute, you talked with her every day, texted her all the time in. exactly. reporter: and you knew nothing of this secret life? no, nothing. reporter: what does it feel like to hear that in. heart breaking. reporter: when she heard kathy s story, detective trapp began to think she was on to something. then she discovered that just two-and-a-half weeks after quinna disappeared, there was another one, josephine monique vargas. she had a beautiful personality. they used to call her giggles because she always made people laugh. reporter: josephine s mother priscilla had been on the local news searching for her daughter for months, after she left a family bar-b-que telling them she was going for groceries.
prayed, and, yes, bought another rosary. why is it so important to give jane doe a name to you, personally? i just think because she s helpless. you re on the street. you re working as a prostitute, and you run into steve gordon and frank cano, and your last hours on this earth are horrific. and then they discard you like trash. trash. detective trapp is still haunted by trash. that keeps bringing her mind back here. even though it is a landfill, i mean it is quite peaceful when it s quiet. somewhere under here, in addition to kiana, josephine, and martha, there was victim number five. and so detective trapp worked her sources until she had a