Wear Pattern News Today

>> there was a suspect, but he had an alibi, until this revelation. revelation >> i said, i have something that you need to know. >> welcome to dateline, it sometimes takes a special eye to look at a crime scene and spot the one thing that is out of place. the clue that will crack the case. and in this story, that thing appeared so inconsequential, no one even knew what it was, alone wouldve meant. it took almost two decades of a team of determinant investigators and a detective was th...

Meanwhile, 2,500 miles away, high in the mountains, detectives pulled up to william marshalls house not knowing what to expect. >> for whatever reason, he was comfortable enough with us to let us in. >> things unfolded slowly. marshall was cooperative and even keeled though in full denial of any guilt whatsoever. >> i had nothing to do with this. no, i wasnt there. yes, you knocked on my door today and you opened up a chapt earp of my life that i thought i had closed. >> then detective wallace t...

Meanwhile, 2,500 miles away, high in the mountains, detectives pulled up to william marshalls house not knowing what to expect. >> for whatever reason, he was comfortable enough with us to let us in. >> things unfolded slowly. marshall was cooperative and even keeled though in full denial of any guilt whatsoever. >> i had nothing to do with this. no, i wasnt there. you knocked on my door today and you opened up a chapt earp of my life that i thought i had closed. >> then detective wallace tried ...

>> yeah, definitely does. when you look at the metal, a lot of the keys we find in an aircraft accident have to do with the metal to see if a crack in a particular component had started cracking or fatiguing over time. youd have a certain wear pattern you could look at through a microscope and see if it was earlier or a sudden tear. it makes a different on the metal itself. so all of that can be -- theres way s ways to get through that, but with salt water it can definitely degrade your ability ...

Congressman who was a ride-along last week with nhtsa and toyota investigators, he said that the wear pattern on the brake patterns is not consistent with what this driver said happened. megyn: it is very interesting. were going to have more next hour in our kellys court with both sides, trained lawyers who will tell us what we can expect when this thing goes further. william, thank you. as college students pack up and head out for spring break, a new warning from the state department that every...