Half his building (at 9006 Yellow Brick Road, in an industrial park 30 minutes outside of Baltimore) operates in bingo-card black-and-white.

FORBES: Drug Lord

The card games, bingo and sports hosted safely outside America attract not just hard-bitten punters but also occasional gamblers out for some fun.

ECONOMIST: Online gambling

During a particularly tense round in which players were vying to create an "X" on their bingo cards, one man yelled out, "I only have one number left on my whole card!"

WSJ: Bingo Finds Fans Among New, Hipster Crowd