A former air traffic controller accused of planting homemade bombs in March outside the homes of four co-workers and a Federal Aviation Administration official pleaded guilty today to one single count that could put him in prison for more than a decade.

A former air traffic controller with a British firm will face possible charges in Colorado after being suspected of planting homemade bombs outside five homes.

Twenty-five high-powered sniper rifles were sent by the United States Government 12 years ago to a group of Muslim fighters in Afghanistan that included Osama bin Laden, according to court testimony and the guns’ maker.