They’d come to examine machine 50102, a Game King video poker unit on the casino floor that had been waiting for them, taped off like a crime scene, all weekend. The off-the-strip Las Vegas casino is best known for its mermaid aquarium, but the GCB geek squad wasn’t there to see swimmers in bikini tops and zip-on fish tails. On Monday, July 6, 2009, two engineers from Nevada’s Gaming Control Board showed up at the Silverton Casino Lodge.