Robert Burke To Be Sentenced In February. A former air traffic controller accused of planting homemade bombs in March outside the Grand Junction homes of four co-workers and a Federal Aviation Administration official pleaded guilty Friday to a single count that could land him in prison for 20 years. Robert Burke, 54, who was arrested in Utah in April, was indicted May 2 by a federal grand jury on a host of charges. Instead, he agreed to plead guilty to a charge of malicious damage to a building used in interstate commerce. U.S. District Judge Robert Blackburn said the charge...