The FBI is investigating an assault in New Orleans on 1 January which killed no less than 14 folks and injured dozens.
Investigators say the suspect proclaimed his allegiance to the Islamic State group earlier than the assault.
BBC Confirm’s Jake Horton appears at how the assault unfolded and what we all know concerning the suspect.
Verification by Paul Brown, Shayan Sardarizadeh and Daniele Palumbo.
Movement graphics by Mesut Ersoz and Sally Nicholls.