According to a release from the Llano County Sheriff's Office, Benjamin Braden Hoffman, 41, was found unresponsive around 12:25 p.m. Jail staff initiated CPR immediately and EMS was called.
The game warden said they have identified the person who shot the darts and are looking into what charges to file.
Llano police are looking for the person who broke into several vehicles during a big football game over the weekend.
With four officers currently on paid suspension, the remaining members of the Llano Police Department are working 12 hour shifts to keep patrols on the road. FOX 7's Rudy Koski has more.
Llano residents are demanding answers.