The couple on Monday pleaded guilty to the May 2011 killing of a Vietnam veteran inside his Arlington home.
The body of Jerry Vern Roberts, 62, was found stuffed into his own refrigerator that was found dumped in Ellis County.
Dunham was sentenced to 45 years in prison and Williams got 30.
"This was a horrendous and violent murder," said Assistant District Attorney Taylor Ferguson. "Dunham and Williams were a dangerous duo and anyone who crossed their path was a potential victim."
— Bill Miller