Braulio Fuentes Martinez was wanted on charges of attempted first-degree murder, assault with a deadly weapon with intent to kill and possession of a stolen firearm.
The charges stemmed from an incident at the Wilson County Fairgrounds on Sunday morning. Fuentes Martinez, a senior at Southern Nash High School, was asked to leave a birthday party there; investigators said he then went to his car and returned with a gun.
Police said he then opened fire, injuring four people. All four have since been released from the hospital.