A prisoner at Hays State Prison who would have been eligible to be released in December of last year will now be serving an additional four years in prison after he was found guilty of assault in connection with an incident at the prison.  Zackery William Hurt, age 35, was first sentenced to prison in 2016.  He was serving time in relation to burglary, theft, arson and theft of motor vehicle charges at the time of the assault on another inmate at the prison, located in Chattooga County.  Hurt pleaded guilty to the assault charges in Chattooga County Superior Court.