The survivors of the 1921 Tulsa Race Massacre want the individuals who carried out the violence “to be identified,” an attorney representing them said Thursday, days after the Department of Justice began interviewing survivors and descendants as part of the first-ever federal probe into the Oklahoma massacre.

The U.S. Department of Justice began an advanced probe into the investigation as part of the Emmett Till Cold Case Program, which investigates racially-motivated murders that happened

Simmons, representing the two remaining survivors of the Tulsa race massacre, called it a historic moment. Solomon-Simmons said the Department of Justice met with survivors and descendants for 48 hours.