The remains of a 26-year-old who died in 9/11 were identified by the medical examiner’s office in New York on Wednesday, thanks to developments in DNA analysis.
Officials said the remains belong to Scott Michael Johnson, who worked on the 89th floor of the World Trade Center’s south tower as a security analyst for Keefe.
Johnson is the 1,642nd person to be identified of the 2,753 people killed in the terror attack, the New York Times reported.
A team of experts at the medical examiner’s office had unsuccessfully tried to identify a bone recovered from the debris of the World Trade Center several times since the 2001 terror attack.
See the most iconic images taken on 9/11:
9/11/2001: 14 most iconic images of 9/11
9/11/2001: 14 most iconic images of 9/11
NEW YORK - SEPTEMBER 11, 2001: (FILE PHOTO) A fiery blasts rocks the south tower of the World Trade Center as the hijacked United Airlines Flight 175 from Boston crashes into the building September 11, 2001 in New York City. Almost two years after the September 11 attack on the World Trade Center, the New York Port Authority is releasing transcripts on August 28, 2003 of emergency calls made from inside the twin towers. (Photo by Spencer Platt/Getty Images)
Sarasota, UNITED STATES: TO GO WITH AFP STORY 'Americans mark 9/11 anniversary with new questions on vulnerability' - (FILES) US President George W. Bush has his early morning school reading event interupted by his Chief of Staff Andrew Card (L) shortly after news of the New York City airplane crashes was available in Sarasota, Florida 11 September 2001. AFP Photo Paul J. RICHARDS (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)
Americans mark 9/11 anniversary with new questions on vulnerability' - This 11 September 2001 file photo shows Marcy Borders covered in dust as she takes refuge in an office building after one of the World Trade Center towers collapsed in New York. Borders was caught outside on the street as the cloud of smoke and dust enveloped the area. The woman was caught outside on the street as the cloud of smoke and dust enveloped the area. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)
New York, UNITED STATES: TO GO WITH AFP STORY 'Americans mark 9/11 anniversary with new questions on vulnerability' - (FILES) The rubble of the World Trade Center smoulders following a terrorist attack 11 September 2001 in New York. Americans mark the fourth anniversary of the September 11, 2001 terror attacks Sunday nagged by new burning questions about their readiness to confront a major disaster after the debacle of Hurricane Katrina. AFP PHOTO/Alex Fuchs (Photo credit should read ALEX FUCHS/AFP/Getty Images)
394471 13: Firefighter Tony James cries while attending the funeral service for New York Fire Department Chaplain Rev. Mychal Judge, in front of the St. Francis of Assisi Church September 15, 2001 in New York City. Judge died while giving the last rites to a fireman in the collapse of the World Trade Center. The World Trade Center was destroyed after both the landmark towers were struck by two hijacked planes in an alleged terrorist attack on September 11. (Photo by Joe Raedle/Getty Images)
NEW YORK - SEPTEMBER 8: The 'Tribute in Light' memorial as seen from Bayonne, New Jersey, consists of two shafts of light to represent the World Trade Center Twin Towers, is tested before the fifth anniversary of 9/11 terrorist attacks September 8, 2006 in New York City. (Photo by Sylwia Kapuscinski/Getty Images)
NEW YORK- SEPTEMBER 3: A wax replica of Thomas Franklin's photograph from September 11, is seen at Madame Tussaud's wax museum September 3, 2002 in New York City. The replica is to be part of an exhibit at the museum called 'Hope: Humanity and Heroism.' (Photo by Spencer Platt/Getty Images)
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Using new techniques, however, they were able to remove DNA from the bone and compare it to a database containing 17,000 reference samples from victims and family members, reports said. A positive identification was then made.
“As a forensic scientist, you’re trained to be neutral and unbiased,” Mark Desire, the assistant director of forensic biology for the office, told the paper. "But with the World Trade Center investigation, it’s a different kind of case and when you meet with the families and the hugs and the thank yous, it gets emotional with them and it really helps with that drive to keep improving that process.”
Johnson's family said the discovery brings closure for them. His mom cried when she heard the news.
“You get pulled right back into it and it also means there’s a finality. Somehow I always thought he would just walk up and say, ‘Here I am. I had amnesia,’” Ann Johnson told the paper.