Expert Says Colorado Is Hotbed For UFO Sightings Largest UFO Investigative Group Calls Colorado Home POSTED: 1:38 pm MST February 24, 2005 UPDATED: 2:06 pm MST February 24, 2005 DENVER -- Everyone has heard about the infamous Roswell incident in 1947 in New Mexico but for Colorado UFO enthusiasts, it's only the tip of the iceberg. "It's worldwide. It goes on all the time. It has been going on since World War II. It's unabated," said John Schuessler, the international director of MUFON, or the Mutual UFO Network. "It's a private non-profit group that's been around since 1969," he said....