John Edward George, Jr., was a Korean War veteran, but not a Medal of Honor winner. Nevertheless, the words "Medal of Honor" were carved into his government-issued headstone. Upon learning that someone had lied about George's receiving the medal, the VA took appropriate action.
They [...] took the white marble stone to the maintenance yard at the national cemetery in New Bern.
There, they hit it with a sledgehammer.
They didn't stop until it was in chunks so small it was impossible to read the words that had once been carved into it. [Link]