Man was serving life sentence for sexual assault , committed with a minor . He was being transferred between prisons when he disappeared near Houston . A Texas inmate escaped from a prison van near Houston after pulling a gun on two guards who were transporting him between prisons , according to a Texas prison statement Monday . Police say he ran off with guards ' permission , wearing one of their uniforms .
Man was serving life sentence for sexual assault , committed with a minor . He was being transferred between prisons when he disappeared near Houston . Police say he ran off with guards ' permission , wearing one of their uniforms .