Still struggling to determine the victim of 9/11 terrorism

US scientists are still wrestling with the identification of 40% of deaths in the September 11, 2001 terrorist attacks.

The names of those killed in the Twin Towers' fires, explosions, and fires have been identified, but a decade later, scientists still struggle to determine whose body is. 40% of the dead have not been identified, the body is not intact, making it difficult for the assessment.

The moment the Twin Towers collapsed. (Photo: BBC)

Latest successful assessment results come this week. It was Mr. Ernest James, 40, the 1,629 victim, identified in a total of 2,753 people who died at the World Trade Center on September 11, 2001.

The traditional method of examination is to test teeth, photos and fingerprints, but with crippled bodies in ruins, scientists have to work as hard as detectives. They had to use robots to clean the dead bodies and take samples for them to test DNA.

'I remember a case a few years ago. We examined a small piece of coin found on the roof of the Bank of Germany. Finally, we determined that it was a man who worked in the terrorist moment tower , "Taylor Dickerson, a criminal in New York City, said.