The first, Adel Daoud, was arrested in September 2012 after federal authorities say the then-18-year-old from Hillside tried to detonate what he thought was a car bomb outside a downtown Chicago bar. The fake bomb, which had been planted by FBI agents, didn't explode, and Daoud was arrested on the spot. Daoud, who pleaded not guilty and is awaiting trial, came under FBI scrutiny in 2011 after posting messages online about killing Americans. Prosecutors say he bragged to undercover FBI agents in online chat rooms that he had ignored his imam and father when they tried to intervene.