we know that investigators have been looking for any kind of evidence on the remains of the pressure cooker bombs. looking for hair samples, for any dna samples, for finger prints, for example. now we know it has tested positive for dna. we also know that the fbi retrieved a dna sample from tamerlan tsarnaev s widow, catherine russel, at her parents home in rhode island. now, just because they took a dna sample and even if hers should match, the female dna sample, on the pressure cooker, it doesn t necessarily implicate her or any other particular female in terms of whether they had anything to do with the preparation or the construction of the bomb. it means that a female could have come inon at any
reporter: authorities have combed the home for evidence. we ve collected fingerprints during that search and also what we believe to be dna. those prints and that dna will hopefully be processed within the next week. michael range lives near the fowlers and heard of the stabbing by a neighbor boy. i took my kids inside and locked the doors and waited to hear actually what happened. it s been scary. we ve been inside all weekend. reporter: a lot of residents feel trapped, pinned down after the mysterious death of leila fowler who would have turned 9 in june. valley springs, california. we ll keep following that story. still to come, more on the breaking news that we told you about at the top of the hour. investigators have found female dna on one of the bombs used in the marathon attack. and then who is misha? we are learning more about the mysterious man authorities believe radicalized tamerlan tsarnaev. the only man who has spoken to misha is next. it s monday. a brand n
battery. there was a battery there, a remote control there. obviously, as far as we can tell, there was certainly something on the pressure cooker. there were probably a lot of handlers in the chains of commerce as all these products went to market. it s not to speculate. all we know is that they have dna. they re not sure what it means and it belongs to a female. erin? joe johns, thank you very much. as we get ready to go to deb feyerick, forensic expert a few moments ago told me there s a big difference between skin cell dna and blood dna. blood dna could have indicated that this came from a victim. skin cell dna, as joe ind indicated, from someone along the manufacturering line or someone involved in the making of the bomb. a possible link between tamerlan tsarnaev, the older brother, and a jihadist in
russia who died in a firefight with police while tamerlan tsarnaev was in the region, right? that s right. what we re learning is that they re looking into the possible link between tamerlan tsarnaev and a young boxer, canadian turned jihadi. he and six others killed in the dagestan region in july 2012, exactly the same time that tamerlan tsarnaev was in the very same region. his body was prepared for burial by an imam july 14th. they believe it was brought down from the mountains and prepared for burial. a few days later, tamerlan left dagestan and went to moscow where he caught a plane to the united states. the time line of this is that tamerlan was actually waiting for his russian passport to arrive. he had applied at an office in dagestan, waiting for the document, the russian passport to arrive and he left without it.
that s right. what we re learning is that they re looking into the possible link between tamerlan tsarnaev and a young boxer, canadian turned jihadi. he and six others killed in the dagestan region in july 2012, exactly the same time that tamerlan tsarnaev was in the very same region. his body was prepared for burial by an imam july 14th. they believe it was brought down from the mountains and prepared for burial. a few days later, tamerlan left dagestan and went to moscow where he caught a plane to the united states. the time line of this is that tamerlan was actually waiting for his russian passport to arrive. he had applied at an office in dagestan, waiting for the document, the russian passport to arrive and he left without it. and that s what makes it so curious. when he flew into new york, he