Brian Church, 22, is on trial with Jared Chase, 29, and Brent Betterly, 25, on charges they plotted attacks against Chicago police, Mayor Rahm Emanuel's house and President Barack Obama's campaign headquarters. The so-called NATO 3, who had driven here from Florida, were arrested after filling four empty beer bottles with gasoline with the aid of two undercover Chicago officers at the Bridgeport home where they were staying with 12 others.