What is Operation Double Black Diamond?
A long-running investigation by federal prosecutors of the video poker industry. The probe, which has been running since 2000, has resulted in more than a dozen convictions. It has looked into the activities of disgraced former House Speaker Jim Black and his aide Meredith Norris. Using an investigative grand jury, it also looked into public corruption cases unrelated to video poker, including state lottery commissioner Kevin Geddings and former Rep. Michael Decker.