josh mankiewicz: he was pretty surprised.yeah, he was surprised, and he was very emotional at that point. that's the most i saw markus be emotional >> he was pretty surprised. >> yeah, and he was very emotional. at that point, that's the most i saw marcus be emotional during this whole investigation. >> diren's host parents had a tangle of emotions as a process what police said had happened. >> not the kid we knew. we didn't expect that. >> they were disappointed with diren's actions, but livid with kaarma's. >> i just got more angry and more angry that that happened. i mean, who thinks like that? >> just -- why? why would someone feel compelled to do this? >> marcus kaarma faces a deliberate homicide charge for killing a 17-year-old foreign exchange student. >> they were outraged that a homeowner could be arrested for defending his homeowner and property. a crime reporter at the local missoula lien. >> some people were like, of course i can shoot someone in my home. i was definitely in the very beginning of the case. i recei

josh mankiewicz (voiceover): but dan did seem scared and angry.rder, and then only under duress. but dan did seem scared and angry. he insisted he only helped sam after the murder. and then, only under duress. josh mankiewicz (voiceover): detectives were frustrated, but-- we were still hoping to find sam, detectives were frustrated, but -- >> we were still hoping to find sam. and thought he was going to lead us to sam. >> it sounds like you thought dad was telling the truth about everything except where sam was. >> we were taking him at his word because he was involving himself and incriminating himself as an accessory to this homicide. >> he wasn't telling you, i don't know anything about it. he was just saying, yeah. i helped him after the fact that i don't know where he is. >> right. the longer he went on, the less believable his story was. >> and they now also strongly believed that not only was dan covering for sam, but dan was also perhaps involved somehow in julie's murder. they tried again. they brought dan back to the interview room for o

here is josh mankiewicz. >> reporter: if you crave money or fame or want to meet beautiful people, maybe become one of them, you will find your way to southern california. it is where everything is possible. or seems to be. this is the story of two women drawn for different reasons to n the sun. to the bright lights. to the blue water. both chased that promise of success. both saw what can go wrong. it was a gorgeous summer day in new port beach california. the last of 4th of july weekend. some lucky tourists on a passenger boat called the green man were marveling at a school of dolphins playing in the water when they came across the unexpected. >> we have a loose boat out here. five miles out at newport beach. >> reporter: the captain radioed the coast guard that a small speedboat was circling out of control in the water nearby was a man holding onto a body board. >> the husband apparently fell off the boat. and the wife apparently fell off the boat. >> reporter: the man in the water was frantic. >> he still looked like he is pretty hedistraught. >> absolutely. >> reporter: his name was

here is josh mankiewicz with mystery and orange county. >> orange county, california. on tv, it is a place of sun, fun, and privilege. it is where the real housewives first air their dirty laundry. it is for the kids from the oc showed us all what temperature cool really was. around here, you get the sense that everyone is rich and white and lives in a mansion with a view of the pacific, but step back from the coast and you will see the orange county that is not on tv. not as wealthy, not as white, full of those who came here from somewhere else chasing a better life, and finding it in places like santa ana, a mostly working-class immigrant community in the shadow of disneyland. it is the part of the oc that people know where to survive, they will have to work hard. maribel ramos arrived here as a baby, leaving mexico behind. she would not only survive here, but thrive. to tell you the truth, this should be the story of a woman who worked hard to change her life and in doing so, carved a path for others to follow. but, this story is going to end differently. >> why are

josh mankiewicz: pima hecounty sheriff's detectivet.kinner. >>> o jennifer garcia was suspicious of nick's axis x, justin skinner. he seemed to have opportunity and motive to kill nick. so when justin did not want to give a dna sample -- >> i thought he might be the guy. >> after a little persuasion, his cooperation plus statements from people at the bar and claudia were enough for detective garcia. >> we were able to rule him out quickly. >> the family was waiting impatiently for a arrest. >> your loved one had just been murdered and we wanted answers and we were not getting them quickly enough. >> it is a place where everyone seems to know everyone else. while detectives were examining next torment past, john started doing detective work of his own, by talking with nick's coworkers. he told the hr director how the suspect had been cut. >> he called me and said you will not believe it but this guy i had concerns about and filed a grievance against nick has bandages on his arm. >> james, one of the coworkers police already spoke with. j