Update, 1:10 p.m.: Police have issued a warrant for Terrance Hudson, 18, who's wanted in the shooting death of Maurcell Mitchell, 16.
Hudson was armed with a 12-gauge shotgun, according to police.
A man with a gunshot wound to the back of the head was found dead Sunday night in Harvey, according to the Jefferson Parish Sherriff's Department.
Around 9:05 p.m., officers arrived at an apparent abandoned home in the 1200 block of Angus Drive and found the victim lying in a driveway shot in the head.
He was pronounced dead on the scene. JSPO said he appeared to be a teenager.
There's no motive or suspect yet.