The fugitive son of an Imam shot dead by U.S. federal agents Wednesday was arrested Thursday in downtown Windsor and in the custody Canadian border authorities, the FBI said in a statement. Mujahid Carswell, 30, also known as Mujahid Abdullah, was arrested by RCMP officers at about 1 p.m. Thursday without incident after police blocked off a downtown street and surrounded a house with a tactical team. He was witnessed being whisked away in a prisoner transport van and is currently in the custody of the Canada Border Services Agency on immigration violations. Mr. Carswell is the oldest son of...