Prosecutor Dana Cummings said Mulla has agreed to cooperate with the state in the prosecution of Dunnagan.
Woman pleads guilty to manslaughter in cold case →
Assistant District Attorney Dana Cummings says Hatch was serving a prison term for a separate conviction for marijuana possession when he smuggled the drugs with help from a prison guard.
8 years for rapper Lil Boosie in drug smuggle plot →
