" He's dead: Internal bleeding. When they opened him up they found a toothbrush shiv lodged in the anal cavity. It was never determinded whether he'd put it up there for safe keeping himself or somebody else did it for him, but it was a good lesson for the rest of the inmates. They even put up a sign. "Never put sharp objects up your ass. "

― Michael Connelly , The Brass Verdict (Harry Bosch, #14; Mickey Haller, #2; Harry Bosch Universe, #18)