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
for six months, kathy menzes hoped for news, waiting for a calm or a tech or dreading a knock at the door. which if april, 2014, is what happened. my heart suffering when they came. i knew right away it wasn t going to be good news. reporter: no not good news at all. anaheim police told her that two men, frank canno and steven gordon, were now under arrest for the murder of her daughter and three other young women in orange county. what were you like that night? i just wanted to sleep. i wanted to like go to sleep and wake up and pinch myself. reporter: and make it a different world? exactly. reporter: detective julissa trapp wanted to speak with both men, of course. but canno lawyered up, so she
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.
yes? to which canno responded. okay. then a sudden change. had they spotted the under surveillance? as she listened to the wire california she heard him talking about skipping town. i could hear the desperation in frank canno s voice. that desperation sent a hair on the back of my neck. i said, no, i m not waiting anymore. reporter: they re going to run if. they re going to run. reporter: time to move fast. they caught one frank canno as he was boarding a bus and steven gordon, they found him where he worked, an auto body shop next door to hardy windows, but he made a run for it. reporter: out the door in. on a bicycle. yes. he had a little collision with one of our under surveillance units and a little flying over the handle bars and he was taken into custody. reporter: both men were charged with four counts each of first degree murder and forcible
measure of justice. thank you. reporter: kathy menzes sat through the entire trial, as brutal as it was. what has it done to your understanding of human beings? very evil. there s lots of evil in this world. lots of it. reporter: the mothers will have to sit through another trial. frank canno is still waiting for his. he s pleaded got guilty. but for detective trapp, there was a measure of relief and finally, she gave those rosaries to four grieving mothers. it s interesting to discover in this line of work that homicide detectives are actually softies. i think the more you allow yourself to feel the better you will be as a detective. we have to go to the dark places to find answers, the quicker we get in and out, the better it is for all of us. reporter: answers from dark places, we when to the the anti-inflammatory before gordon was transferred to death row.