Watch FOX30 at 10 for Litgen’s violent past

Southside — UPDATE: Police are crediting a tip from an observant citizen for the successful arrest of George Litgen.

UPDATE: The Jacksonville Sheriff’s Office has released the name and a photo of the suspect believed to be the gunman in this mornings shooting on Bunnell Dr.

George Kenneth Litgen, 50, fled on foot after shooting his half-brother who is not expected to survive, according to police.

A search of official court records found Litgen has a lengthy criminal history in Duval County, including Battery, Aggravated Assault and Criminal Mischief.

ORIGINAL STORY: The Jacksonville Sheriff’s Office says a man is fighting for his life after being shot by his half-brother.

Police responded to a home on Bunnell Drive early Saturday, a home they say has a history of domestic violence.

Investigators quickly identified the gunman as the victim’s half-brother.

The suspect -- who fled the scene -- is described as a white male with tattoos.

Police do not believe there is any threat to the public and say they will provide a photo of the suspect shortly.

Cox Media Group