He appeared in court on Thursday wearing a yellow jumpsuit, which means the jail is housing him in isolation for his own safety.
If convicted, Vang faces life in prison. He's scheduled to return to court on October 19th.
Stay with Action News and ABC30.com for more on this story.
Suspect in Fresno County Jail shooting was convicted for 1998 gang rape
Daughters of injured correctional officer shot at Fresno County Jail speak out at press conference
Fresno County DA files charges against jail shooting suspect, injured officers recovering
Unusual courtroom sighting sends loud message to jail shooting defendant