In Prison, Playing Just to Kill Time and Just Maybe to Help Solve a Murder
A form of gin rummy breaks out in the courtyard of the Campbell Pre-Release Center as the inmates, Mark and Mario, toss their unwanted cards into the discard pile. But from deuce to ace, nearly every card is a face card, looking up in silent appeal.

The cards ask: Do you know who killed me? And they ask: Do you know where I am? And they ask: Do you know something? Anything?

...[Tom Lucas, father of murder victim Brian Lucas] learned of a company called Effective Playing Cards and Publications, which had produced “unsolved” playing cards that were being circulated in the state prisons of Florida, as well as in county jails in several other states. And he thought: Why not cards for unsolved South Carolina cases — like my son’s?