9/11 Victim’s Remains Identified With New DNA Testing Nearly 17 Years After Attack

His name was Scott Michael Johnson, and he was 26 years old when a plane flew into the World Trade Center tower he worked in on Sept. 11, 2001.

His remains have now been identified, nearly 17 years later after the attack.

New York City’s Office of Chief Medical Examiner announced the news on Wednesday.

“In 2001, we made a commitment to the families of victims that we would do whatever it takes, for as long as it takes, to identify their loved ones,” Chief Medical Examiner Dr. Barbara Sampson said in a statement. “This identification is the result of the tireless dedication of our staff to this ongoing mission.”

Mark Desire, the assistant director of the office’s department of forensic biology, told NPR, “We work on World Trade Center identifications every day.”

There were 21,905 remains recovered from the World Trade Center, he said. And most of those samples were bone, which is difficult to extract DNA from. The samples had also degraded from exposure to fire, jet fuel, water, mold, bacteria and even sunlight at Ground Zero.

For years, the team had struggled to extract enough DNA from Johnson’s bone fragment. So it tried a new technique called “ultrasonic ball bearings.” It’s a process where the bone is pulverized with a piece of metal. Once the fragment became a fine powder, researchers then treated it with chemicals, extracted DNA and generated a forensic profile.

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SOURCE: NPR, Sasha Ingber