Dead Man's Hand
No one paid any mind to Jack McCall as he unloaded a .44 caliber slug into Wild Bill Hickok's brain at point-blank range. Deadwood's legendary gunslinging marshal was dead, holding a poker hand of aces and eights, a dead man's hand.
The question the law wanted to know: was McCall a hired killer or did he kill Hickok to avenge his brother's death?