Unidentified: The Ongoing Quest for Identification of 9/11 Victims' Remains The National September 11 Memorial & Museum estimates that over 22,000 tons of debris were removed from Ground Zero in the aftermath of the attacks on September 11, 2001.
Among this rubble, countless personal belongings and human remains were discovered, leaving behind a poignant question: what happened to the people who were lost?
The search for answers has been ongoing for nearly two decades.