Three People Killed In New Orleans-Area Gun Store Shooting

A shooting occurred at a New Orleans gun store, described by witnesses as sounding like a war. The incident involved a man opening fire, leading to a shootout with employees and customers. The altercation extended to the parking lot, resulting in injuries and fatalities, including the suspect and a store clerk. Authorities are investigating the cause of the shooting.

Describe the scene as reported by the witnesses during the shooting.

What is the Jefferson Parish Sheriff's Office currently trying to determine?