Pigott fled the scene after the shooting, police said, and was later arrested by New Orleans police.
Tommy Ray, 53, Pigott’s father, was allegedly at the shooting and was still being sought by police, according to FOX 8.
Police said it wasn't clear what led to the shooting.
The suspect will be booked into the Livingston Parish Detention Center on second-degree murder charges, The Advocate reported. He was being held at the Orleans Parish Prison.
Get all the stories you need-to-know from the most powerful name in news delivered first thing every morning to your inbox
Arrives Weekdays