Page 336 - Dna Testing News Today

Story, nick, thank you. in spain, they are accusing the driver of wednesdays train crash of reckless homicide. they took jose francisco garzon into custody after he left the hospital. they are looking in to the trains speed and at least 78 people were killed in the crash. and checking todays top stories -- a boston man arrested for allegedly assaulting two women. hes now a person of interest in the abduction and killing of a young woman from the same neighborhood. police identify him as 28...

Strangled in her boston apartment in 1964 was thankful authorities never gave up looking for the killer. >> i have lived with marys memory every day. my whole life. and i didnt know, nor did my mother know that other people were living with her memory as well. and it is amazing to me today to understand that people really did care about what happened to my aunt. >> reporter: desalvo confessed to the killings but was never convicted. >> that confession has been the subject of skepticism and contr...

Prison on other charges for other crimes, and he wound up getting stabbed to death back in 1973 while still in jail. ever since there have been people who doubted whether, in fact, desalvo was the boston strangler, and now the suffolk county, massachusetts, prosecutor says scientific advances have allowed them to confirm he was at least responsible for the killing of the woman on the screen right there. she was 19 years old at the time of her killing. her name was mary sullivan. >> advances in t...

Reluctant to get involved in a death penalty case. prosecutors generally will not pursue the death penalty unless they feel the evidence of guilt is overwhelming, and i was stunned to find out that there was not, in my opinion, a single piece of credible evidence in a death case of this mans guilt. >> damien echols, jason baldwin and jessie misskelley, now known as the west memphis three, have all found supporters from all over the world, including celebrities, like actor johnny depp and rock mu...

Of course these kinds of organisms have enzymes that will break down dna. you can lose evidence, valuable information, by storing it the wrong way. >> but that applies to the sweatshirt. it doesnt apply to trayvon martins fingernails where there was none of george zimmermans dna, do you consider that a major finding? >> no, i really dont. ive worked on many cases, looking at fing ernail scrapings in a post-mortem setting. and almost always, you find no foreign dna. now i have it to add something...

Used to shoot 17-year-old trayvon martin. george zimmerman said at one point trayvon was, he believed, reaching for his gun and may have got a hand on it. what did the dna testing find? take a listen. >> the dna that you developed in the pistol grip of the defendants gun is positive for blood, correct? >> yes. >> and then there was a mixture. that matched the defendant george zimmerman and you were able toex cloud trayvon martin martin as having dna on the pistol grip, is that correct? >> yes, t...

Prosecution winding down the case and the zimmerman trial in black and white. my exclusive with the man that defended o.j. simpson and his trial. hell tell me whether he thinks zimmerman should take the stand. beginning with martin savidge outside the court live in sanford, florida. martin, another day, another gripping day of what could be vital testimony, the gun, the dna and so on. tell me about what happened today. >> yeah, a lot of forensics, piers. experts and evidence. much of the after...

Tell the jury what zimmerman said happened couldnt have happened. trayvon martin couldnt have touched the gun because his dna was not on the gun as george zimmerman described it. so i think given that, my observations in the courtroom, i think its going to be important to this jury. >> just because dna wasnt on the gun doesnt mean it wasnt washed away or it didnt -- >> the kind of testing they do is not high sensitivity testing. its the ordinary dna testing. so if youve got 15, 14, 13 cells, you...

Evidence. because of that, i think it may not show us what happened that night, but certainly it may tell the jury what zimmerman said what happened couldnt have happened. trayvon martin couldnt have touched the gun because his dna was not on the holster or the gun as george zimmerman described it. i think given that my observations in the courtroom, i think it is important to the jury. >> just because it wasnt on the gun doesnt mean it wasnt there originally and got washed away in the rain. >> ...

The jury was. they were leaning forward. they were taking notes and they even laughed with him. he was very engaging with some pretty dull information, dna information is not that captivating, but they loved him. i think its a result of the csi effect that we talk about all of the time. people just like dna and they feel like its definitive evidence and because of that i think that it may not show us what happened that night, but certainly it may tell the jury well, what zimmerman said happened ...