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When you have something like this, quadruple homicide, people are frightened, and they want instant action. you, know it's like television. it turned on, 60 minutes later, you've got the crime soft. that's not the way it is. we've got a lot of different kinds of forensic experts working the case. there are fingerprint people, trace evidence people, there are people doing dna analysis. also, don't forget, you have the autopsy, which is a very important piece of information. out of that autopsy, what we learned was that the murder weapon is probably a military style knife. whether it's somebody ...

Scientist who are experienced with bloody scenes. there are a hell of a lot of murder cases in the city of moscow. when you something like this with quadruple homicide, people are frightened and they want action. it is like television. you turn it on, 60 minutes later, you have the crimes of, that is not how it is. you have different forensic experts working this case. there a fingerprint people, evidence people, there are people with dna analysis, and don't forget you have the autopsy, which is a important piece of information. out of the autopsy, what we learned is that the murder weapon was...

When you do dna analysis there's two different ways to collect it. it can be court-ordered, if somebody's a y felon in the prison system, or you can do it voluntarily when you're chasing down yor ancestry and trying to do it that way. i would suggest here, too, the dna that going to be at that scene, obviously a big portion of this, an edged weapon the pleats are saying it was a finged blade. there's going to be a lot of blood. in these type of crimes where somebody's doing intimate piercing of peoples flesh, they could also cut themselves too. so pleats are going to beworking on that as well....

Of that child and she was asked to pay child support. that is all part of this story and the babysitter had identified there was bruising on the child and brought up concerns about what she had found when she was around that child. just heartbreaking and we continue to learn more on that situation as they are now reviewing the remains. again the dna analysis. we expect to know more soon. doctor, thank you very much. >> thank you. >> reaction is still pouring in. the president planning to use our tax dollars for climate reparations to poor nations. critics are calling it a scam, a waste and a t...

Started combing through the old files and were assisted by a new inglewood detective steve seyler. >> technology advances so quickly that in 2002 i said to tony vasley, hey, maybe there's fingernail scrapings, maybe there's something of that nature. >> in fact, there were fingernail scrapings in this case. there was also a drop of blood on marie's saab, but at the time of marie's murder, dna analysis was still in its infancy. those samples had never been tested. in 2004, detective seyler called john lewin, a prosecutor with the l. a. da's office major crime division. lewin specializes in cold ...