The suspect in a deadly attack in New Orleans has been identified as Shamsud-Din Jabbar, a 42-year-old U.S.-born citizen from Texas, according to the FBI.

Army veteran Shamsud-Din Jabbar, 42, has been identified by the FBI as the perpetrator in the harrowing New Orleans attack during the early hours of New Year's Day

In Texas, Jabbar’s family, childhood friends and those who watched as Bourbon Street turned into a deadly nightmare are searching for answers. Why did this middle-aged Army veteran — an IT worker for Deloitte who neighbors describe as quiet and mild-mannered — pledge allegiance to ISIS,