The Bad Samaritan

A friend told David Cash he had committed murder. Cash kept quiet

He was just an innocent bystander, he says. A bystander who peered over the top of a toilet stall and discovered--in the women's rest room of a casino on the California-Nevada border--his best friend Jeremy Strohmeyer, 18, struggling with a seven-year-old girl. He tapped his friend's head, he says, knocking off his hat, but couldn't get him to stop. So David Cash Jr. decided to take a walk.

The scene in front of him could not have been any clearer: a nearly 6-ft.-tall teenager and a little girl who didn't yet weigh 50 lbs. locked in the stall of the Primadonna...