The FBI identified the perpetrator in the New Year's Day attack in New Orleans as Shamsud-Din Jabbar, a 42-year-old Texas man. Zoom in: New Orleans police fatally shot Jabbar on Bourbon Street in the moments after the attack after he stepped out of his truck and opened fire. He was pronounced dead at the scene, investigators said.

The man suspected in the attack in New Orleans had a checkered marital history punctuated by multiple divorces and financial difficulty, according to court records.

The bombs Shamsud-Din Jabbar built with the explosive known as RDX would have had devastating effects were it not for an amateurish blunder.

A 9/11-style attack on the U.S. is unlikely now, he said, because ISIS and al-Qaida’s capabilities have been so degraded by U.S. and coalition efforts in the Middle East. “So they've looked to inspire individuals that already have access and in some cases,