Rillito Park, the famed Quarter Horse track loaded with history and lore in Tucson, Arizona became a classroom Monday afternoon, as investigators from around the United States and five foreign countries ran through a series of 'stations' meant to test their detective acumen. With record attendance at 100, the Organization of Racing Investigators (ORI) annual three-day event brings together security personnel who protect horses and the people associated with them. Equine investigators, like other branches of law enforcement, have an evolving set of best practices. That is where the Rillito...