An ATF agent and his bomb-sniffing dog patrols around the Warren E. Burger Federal Building where a detention hearing was being held Thursday, April 23, 2015, in federal court in St. Paul, Minn. for four of the six Minnesotans who are accused of plotting to travel to Syria to join the Islamic State group. Prosecutors have said they plan to ask a judge to keep the men in custody pending trial, saying they are a flight risk. (Photo by Jim Mone/AP Photo)
