New Orleans vehicle ramming attack suspect has been identified; authorities trying to determine if he had any ISIS affiliation, sources say

FBI identifies suspected driver in New Orleans attack. Here's the latest

"إف بي آي": المشتبه بتنفيذه هجوم نيو أورليانز لم يتحرك بشكل منفرد

Investigators do not believe the suspect in the New Orleans vehicle ramming attack was "solely responsible," the FBI says

Suspect in New Orleans terror attack 'not solely responsible', FBI says, as two IEDs made safe

The FBI says it doesn't believe the suspect in the New Orleans attack was "solely responsible." Here's the latest.

New Orleans terror suspect flew ISIS flag on truck as he slaughtered 15: FBI says attacker 'did not act alone'

New Orleans truck attack investigated as terrorism; FBI doesn't believe suspect was 'solely responsible.' Watch and follow live.

'Not solely responsible': FBI believes US man who killed 10 in New Orleans did not act alone

The FBI believes the man responsible for a truck attack in New Orleans that killed at least 10 people did not act alone

FBI investigating ‘act of terrorism’ in New Orleans truck attack as ISIS flag, multiple explosives found; suspect identified

The death toll from the New Orleans truck attack has risen to 15, with the FBI treating the incident as an act of terrorism

UPDATES — The FBI is conducting searches in Texas after the deadly truck ramming attack in New Orleans. DW has the latest.

The FBI and New Orleans police no longer believe there are any other suspects involved in the New Year's truck attack, sources say

FBI officials are about to share updates on the New Orleans attack which killed 15 people - watch and follow latest

The FBI gives updates on the investigation into the New Year's attack that left 15 people dead. Watch ABC News Live.