On March 13, 2018, the FBI announced the arrest of three suspects in connection to the bombing. The suspects were identified as Michael Hari, 47, Michael McWhorter, 29, and Joe Morris, 22, all of Clarence, Illinois. McWhorter allegedly stated that the motivation behind the bombing was "'scare [Muslims] out of the United States'...because they push their beliefs on everyone else."[10] The four were arrested on charges of possession of a machine gun.[11]