and jonny lee miller. you may know him from ser lock holmes. this weekend he's running a 50-mile ultra marathon to try to save a 4-year-old boy. >>> first, the anatomy of violence. how does an innocent child grow up to be one of the accused boston bomber or any criminal. what's happening inside the brain? it's controversial but scientists say biology plays a bigger role than we once thought. in the wake of tragedy come the inevitable questions. what makes a killer? is there a switch that turns on a rampage? and why? why would someone do this? >> you can just say the person is evil. i think that's 13th century thinking. i think we have moved beyond that. >> adrian raine is author of "the anatomy of violence." he's studied cold blooded killer and says there are biological reasons for violence. he's convinced brain dysfunction may in part explain the terror unleashed in boston. >> were they normal people who decided one day, you know what, we want to create mayhem? i don't think so. i think it's more complicated than that. >> when you see all the

he has an ally in actor jonny lee miller.a 50-mile ultra marathon last saturday to raise awareness and funding for urgent research. >> well done! let's go, jonny! >> as you see right there, jonny made it. he told me, you know, when you set your sights on a cause like this there is no backing out. it's too important. i can tell you running with a sense of mission can be very fulfilling. here is an idea for you today. find something you love to do and do it for a cause. there are crowd funding websites like crowdrise, gofundme, fundly and giveforward to help you raise money. jonny did it for jonah. who will you help to chase life? that will do it for "sgmd" today. check out the featured fit nation section of the ipad app. keep it here for a check of the top stories. >>> one of the cleveland kidnap victims is in a secret location right now. police know where she is, but they are not telling her family. >>> what the russians didn't tell us about tamerlan tsarnaev. a source tells cnn the intel could have changed the investigation.

. >>> and jonny lee miller's marathon to save the life of a 4-year-old boy named jonah. but first -- >> what did you think when you saw your parents? >> go ahead. you can say that. >> i was very, very happy and relieved. >> did you give them a big hug? >> yep. >> in the cap is alicia kosakevic. 13 years old at the time. she was kidnapped by a 38-year-old man. she was sexually assaulted, held prisoner in his essentially home made dungeon 11 years ago. she's with us today. she runs the alicia project, an organization devoted to protect children from predators. here with us is a clinical and forensic psychologist jeff guardier. thanks for joining us. >> thank you. >> i have daughters. watching that, how was it for you to watch now? i know a lot of time has passed. i wonder about the impact to look at the clip. >> that was really hard to watch. i don't think i have actually ever seen that clip. to see my dad be so protective, so guarded. that's interesting to see. >> you looked to him when you were asked the question. he said it's okay to talk about. are you still -- how are

. >>> and jonny lee miller's marathon to save the life of a 4-year-old boy named jonah.hink when you saw your parents? >> go ahead. you can say that.

. >>> and jonny lee miller's marathon to save the life of a 4-year-old boy named jonah.parents? >> go ahead. you can say that. >> i was very, very happy and relieved. >> did you give them a big hug? >> yep. >> in t

and jonny lee miller. you may know him from ser lock holmes. this weekend he's running a