Shortly after 3 a.m. on New Year's Day, a white pickup truck accelerated onto Bourbon Street, crashing into a crowd celebrating the new year.
Witnesses described the scene as terrifying, with one bystander recalling the screams and horror that followed the impact.
The deliberate act of terror resulted in the deaths of at least 15 people and left about three dozen injured.
The driver, identified as Shamsud-Din Bahar Jabbar, a U.S. Army veteran, was killed in a shootout with police, and had been armed with weapons and explosives.
Federal authorities suspect the attack was not an act of lone wolf terrorism and are investigating connections to larger networks.