WARNING: This video contains graphic images. Viewer discretion is advised. Shamsud-Din Jabbar, a former U.S. Army veteran, is accused of driving a pickup truck through a crowd of New Year’s revellers on Bourbon Street in New Orleans, killing at least 15 people and injuring dozens more. Jackson Proskow reports on the investigation into what the FBI is calling “an act of terrorism”; what’s known about Jabbar; and the major security concerns about other major upcoming events in New Orleans.
