Possible Clues:

• He was shot dead in Deadwood
• Frontiersman Wild Bill —
• Lawman "Wild" Bill
• Iconic Old West marshal
• Wild Bill --, folk hero of the American Old West 1837-76
• Wild Bill's surname
• "Wild" West lawman
• Memorable marshal
• Frontier scout
• 1800s marshal associated with poker's "dead man's hand"