Second 9/11 Victim Identified via Genealogy

New York City medical examiners have used genetic genealogy to confirm the identity of a World Trade Center attack victim.

Updated on Oct. 14, 2026 in Terrorism

Second 9/11 Victim Identified via Genealogy

Investigators have identified a second World Trade Center victim using advanced genetic genealogy techniques. The victim, whose identity remains confidential at the request of her family, was an occupant of the Twin Towers during the September 11, 2001, attacks.

Why it matters

The Office of Chief Medical Examiner turned to genetic genealogy because remains exposed to intense heat and structural forces have made traditional DNA testing difficult. This method allows investigators to trace family trees through ancestry databases, offering hope for identifying the thousands of victims who remain missing.

To date, 1,655 victims have been identified by the Office of Chief Medical Examiner, while 1,098 individuals remain unidentified. Of 47 potential genetic samples retrieved for genealogical use, 11 have undergone testing with two successful identifications.

The players

Office of Chief Medical Examiner

This New York City agency is responsible for the ongoing effort to identify the remains of victims from the September 11 attacks.

The details

The process involves comparing unknown DNA samples against profiles in public ancestry databases to construct family trees dating back to the 1800s. The medical examiner's office manages a massive databank containing 100,000 DNA profiles to assist in these forensic efforts.

Timeline

  1. September 11, 2001: The Twin Towers were struck by airliners and collapsed.

  2. August 2026: The first victim identified using genetic genealogy was announced.

  3. October 14, 2026: Investigators revealed the second genetic genealogy identification.

Legal Context

This ongoing forensic work reflects the long-term commitment to identifying those killed in the September 11, 2001, terrorist attacks. The application of genetic genealogy signifies a departure from traditional DNA matching, which was often hindered by the environmental degradation of remains.

The progress in these identifications offers a sense of closure to the families of victims who have remained unidentified for over two decades. The continued use of genetic genealogy reinforces the city's commitment to fulfilling the promise that all victims will be accounted for.

The takeaway

Advancements in genetic genealogy are proving essential for resolving cold cases involving severely damaged remains. Families awaiting news can maintain hope as forensic technology continues to evolve.

Further reading

For more on ongoing recovery efforts, see our coverage of terrorism.