Contact Shot News Today

One of the most extraordinary cases. A murder just months after her wedding. She gave me a big smile and i remembered that smile for years. All the time the killer was hiding in plain sight. No indication she was ever spoken to . No. And then a new detective took a look at an old lead. He said its a match. A person no one would have ever suspected of murder. We were going to end this. Was suddenly suspect Number One. Perfect murder. Almost. Hello and welcome to dateline. She was found murdered a...

Actually, would appear that she ises trying to go out the door or make it to the alarm box where theres a panic button. and at that point, we believe that sherry went down in the foyer due to the fact that you could see marks in the as with well as broken finger nails from her hands. >> reporter: so theres a tremendous fight going on. >> yes, the killer is dragging her back in the area and then the killer takes a vase and hits her in the head with it. knocking her out and grabs a blanket and muz...

Actually would appear that shes trying to get out the door or make it to the alarm box where theres a panic button. at that point, we believe that she went down in this foyer area due to the fact that you could see marks in this as well as broken finger good-- fingernails from her hands. the killer is dragging her back into this area, and then the killer takes a vase and hits her in the head with it, knocking her out. then grabs a blanket, husband else the gun -- muzzles the gun, and does a cont...

She tries to get back downsta s downstairs. >> she gets down these steps and actually would appear that shes trying to go out the door or make it to that alarm box where theres a panic button and at that point we believe sherry went down in this area due to the fact that you could see marks in this as well as broken fingernails from her hands. >> so theres a tremendous fight. >> yes, the killer is actually dragging her back into this area and the killer takes a vase and hits her in the head with...

Tries to get back downstairs. >> thats correct. shes bleeding profusely and shes very wounded and she gets down these steps and shes trying to either go out the door or make it to the alarm box where theres a panic button. at that point we believe she went down in this area due to the fact that you could see marks in this as well as broken fingernails from her hands. >> so theres a tremendous fight going on on the floor. >> yes, the killer is dragging her back into this area and then the killer ...

Said the muzzle of the gun was between 2 and 4 inches from trayvon martin when the weapon was fired. the prosecution suggested it may have been much further away. >> well, frankly, 2 to 4 inches is called a close-in shot. its not an intermediary distance as described by dr. bao. the ballistics expert, amy seivert, who tested the clothing, demonstrated on the hoodie this pattern of soot that clearly indicated a contact shot. there is no dispute that it was a contact shot. the question then is how...

He didnt even realize that a document like that is discoverable. its a very amateurish move. but i think the important point is with every cross-examination question he lost credibility on a number of issues. his findings about the intermediate distance for the shot contradicts amys testimony that it was a contact shot. he changed his opinion about the level of thc, tetrahydrocannabinol in the body of trayvon martin. initially he said it would cause no intoxication, no physical or mental effect....

17-year-old trayvon martin in self-defense in february 2012. nbcs sarah dallof joins us from sanford, florida, with all the latest. sarah, good morning. >> reporter: well, good morning, veronica. before the defense takes the reins, its expected the court will hear from trayvon martins mother in what should be some of the most emotional testimony of this trial. after a brief break for the july 4th holiday, the jury returns this morning. the judge had indicated the prosecution planned to end its c...

-- geragos. doctor, the firearms expert testified that the gun was touching trayvon martins sweatshirt when george zimmerman fired. thats not what the autopsy showed. >> thats right. and i find it a bit miss tiyste. she did all of the right things. she used the same ammunition and the same garments and concluded that it was a contact shot. remember that there are two garments, the hoody sweat shirt and underlying sweatshirt and then the body. shes looking at gunshot residue, burned and unburned ...

Part of the lesson he taught was practical defense law with a special focus on florida laws like stand your ground and zimmerman aced the class. >> he was probably one of the better students in the class. >> reporter: zimmermans defense team argued his past training and education had no relevance to this case. next, prosecutors called amy siewert, a firearms expert with te florida darmt epartment of l enforceme enforcement. she said she was able to determine it was a contact shot that killed him...