From Shreveport Police:

Shreveport investigators today obtained an arrest warrant for Al Jewel Myles III after he was identified as the suspect in a TikTok video where he allegedly threatened to sneak up on and shoot a Shreveport Police officer. During the video, what appeared to be the grip of a firearm was also visible.
Myles reportedly traveled to Springhill where he allegedly shot himself at Camelot Apartments. Springhill Police are investigating.
Myles was wanted for: Cyberstalking — RS 14:40.3 and Threatening a Public Official — RS 14:122.2