The brother of the terrorist who launched the deadly car attack on Bourbon Street in New Orleans says that “radicalization” is to blame for his kin’s rampage.Abdur Jabbar, 24, of Beaumont, Texas, told The New York Times that his brother Shamsud-Din Jabbar — who killed at least 15 people in the New Year’s Day attack — converted to Islam at an early age.The younger Jabbar told the newspaper that what his brother “did does not represent Islam.This is more some type of radicalization, not religion.”Abdur described his brother, who was killed by police after mowing down innocent revelers, “a sweetheart really, a nice guy, a friend, really smart, caring,” according to the Times.In videos posted to his Facebook page prior to the attack, Shasmud-Din Jabbar “pledged allegiance to ISIS,” the outlet reported, citing law enforcement officials.He also confessed he planned on murdering his family in one of the videos.The twice divorced terrorist has two daughters, aged 15 and 20, with ex-wife Nakedra Charrlle, according to the New York Times.Shasmud-Din was driving while recording those videos and authorities believe that they could have been recorded while he was on the road to Louisiana from his Houston home, according to those sources.The feds do not believe the terrorist acted alone while carrying out the attack in the French Quarter.Shasmud-Din, an Army vet from Texas, was flying an ISIS flag attached to a rented Ford F-150 Lighting EV pickup when he plowed into the crowd of New Year’s Eve revelers on Bourbon Street. ...