Shamsud-Din Jabbar conducted extensive online searches, including details on accessing Bourbon Street balconies and research on a recent truck attack in Germany, just hours before his attack. He used a rented truck to plow into a crowd on New Year's Day, killing 14 and injuring 57. Jabbar's radicalization timeline suggests he became increasingly devout between 2022 and 2024, with evidence pointing towards an ISIS influence. As investigations proceed, authorities are scrutinizing security measures in the buoyant carnival season leading to the Super Bowl.