so trapp called this woman. sexual assault detective laura lomeli. >> all sex offenders on parole, they will have an anklet, a gps monitor. >> reporter: trapp asked lomeli, were any of those gps monitors here, where jarrae placed her last phone call or here, where she wound up in a dumpster? and, if you find the same guy at both locations, you're getting somewhere? >> uh-huh. >> reporter: lomeli ran the search and what were the chances she got a hit. in both locations. she called detective trapp. >> there's only one person." she's like, "i know him." i said, "who?" and she's all, "his name's franc cano, he's a registered sex offender." >> reporter: in 2007, franc cano pleaded guilty to committing a lewd act on a minor. he was now on parole wearing a gps monitor. but now next question, did franc cano's monitor put him near the places those other three women, according to phone records made their last calls kianna, josephine, and martha? one by one, the detective entered the coordinates. >> and every intersection

detective trapp is still haunted by trash. and that keeps bringing her mind back here. >> even though it is a landfill, i mean, it is quite peaceful when it's quiet. >> reporter: somewhere under here, in addition to kianna, josephine, and martha, there was victim number five. and so detective trapp worked her sources until she had a name. it would be reasonable to say, "okay, that's her." >> absolutely. logically, yes, absolutely. >> reporter: and yet, when we spoke with her back in january, she couldn't quite bring herself to tell yet another mother her suspicions. >> i -- not only have to go tell her she's dead, i have to tell her that she's one of these girls. so that's -- that's gonna be hard, i think. >> reporter: out here with us, she seemed to be willing herself, pulling strength from the jane doe herself. >> i think in her own way, she'll help me. she'll help me. i don't think she wants to be jane doe forever. >> reporter: and then, just a few weeks ago, she let us know. she'd called on the fifth mother and delivered t

the problem is that local people still don't want to face up to what happened, as our reporter ellen trapp has been finding out. now, for her own safety the girl herself isn't able to talk, so some of these scenes have been reconstructed. ellen: melito di porto salvo, a town of 12,000 in southern calabria, is a mafia stronghold. a young girl is said to have been raped here -- by seven or more young men, repeatedly, for years -- from the time she was 13. we'll call her lucia. many people here are said to have known about it and looked away. we struck up a conversation with a local daycare teacher. but when our talk turned to the rapes, she clammed up. >> i can't understand you. ellen: the mayor, giuseppe meduri, defends his community. he says he knows and respects lucia's parents. mayor meduri: if everyone had known about it, we would have to say that the state has failed in its duty. it's not true. it's unthinkable and unimaginable that everyone here knew about it. ellen: what happened? lucia was 13 years old when her first flirtation with a young man from the town ended. jealousy is said

he fell into a sinkhole and only saved because a hiker saw him trapp trapped. the horse's name is cooper, they used ladders and plywood to keep dirt and rocks from falling on him. >> cooper getting a good little pat there. he fell into a sinkhole. how did he not break his legs. >> lucky he didn't. >> and glad it didn't continue to get deeper. >> strong as a horse. >> we'll wait from comment from cooper. >>> you were talking about not just the rain but the snow we'll be seeing. >> it's crazy. this is when we normally start to dry out but not the case this year we have rain moving in even though it's all clear. we'll have a chance of rain in the forecast throughout the day off and on even though you're not seeing anything happening as you look out the window. this is the view in san francisco. rain drops still coming down. drivers kicking up water and the windshield wipers still on as we see more scatted showers. there will be more rain appro h approaching the south bay. it's happening now. as we get a closer look still raining across marin county, going down one