Content warning: This episode contains some details about the 9/11 attacks and victims’ remains.

Twenty-three years after the 9/11 terrorist attacks, forensic scientists are still working to identify victims from the World Trade Center site. Host Rachel Feltman speaks with Kathleen Corrado, forensics executive director at Syracuse University’s College of Arts & Sciences, about what unique challenges have been posed by the massive scale of the tragedy and how the lessons learned are now helping investigators solve cases from wildfires to criminal investigations—in addition to aiding efforts to identify the remaining victims of 9/11.

How 9/11 Transformed Forensic Science