The FBI has released a new photo of New Orleans terrorist attacker Shamsud-Din Jabbar as they continue to investigate what motivated his New Year's attack on Bourbon Street.

Before Shamsud-Din Jabbar attacked Bourbon Street in New Orleans, the FBI says he researched the city, reading up on recent shootings and a vehicle attack in Germany.

The FBI has also revised the number of people injured in terrorist Shadsud-Din Jabbar’s attack, increasing the number to from 37 to 57.

The FBI, along with our partners, continue to work around the clock to determine what motivated Shamsud-Din Jabbar to drive his truck into a crowd of people

The FBI Houston announced they seized a vehicle when they returned to the home of the Bourbon Street terrorism attack suspect Shamsud-Din Jabbar.

Agents with the FBI’s Houston branch says that “precursor chemicals” were recovered from a property in north Harris County.

The FBI said an initial review of Shamsud-Din Jabbar, 42, showed that the man conducted extensive online research into New Orleans before the rampage.

Shamsud-Din Jabbar, the driver behind the Bourbon Street attack on New Year’s, researched New Orleans and the deadly Christmas market attack in Germany in the hours and weeks before the attack, the FBI said in an update Tuesday.