Inside a plane crash investigation

New details in the crash of Asiana Flight 214. CNN confirms that a third victim has died from injuries sustained in the accident.

Meanwhile investigators will continue to comb through the evidence, trying to paint a clearer picture as to exactly what happened.

Officials have confirmed that one of the two students killed, 16-year-old Ye Meng Yuan, was run over by a fire truck shortly after the crash.

3rd person dies from Asiana crash, hospital says

The L.A. Times reports that she was hidden under a layer of foam, sprayed by firefighters to extinguish the flames.

It's still unclear if she was killed by the collision and it's just one piece of the puzzle that investigators will piece together in the coming weeks.

Casey Wian is OutFront with an inside look at exactly how they'll do it.