On March 9, 2011, the FBI arrested Kevin William Harpham, 36, of Addy, Washington, in connection with the bombing attempt.
2011 | 2011 ATP Challenger Tour | Spokane, Washington | 2011 ATP World Tour | 2011 Rugby World Cup | 2011 ITF Women's Circuit | 2011 Tōhoku earthquake and tsunami | 2011 Pan American Games | 2011 Christchurch earthquake | Spokane | 2011 Summer Universiade | 2011 Pacific Games | Miss Universe 2011 | Oklahoma City bombing | 2011 Copa América | Eurovision Song Contest 2011 | 2011 WTA Tour | 2011 in radio | Canadian federal election, 2011 | 2011 Southeast Asian Games | 2011 in paleontology | 2011 Cricket World Cup | 2011 World Championships in Athletics | 2011 in music | 2011 FIFA Women's World Cup | 2011–12 NCAA football bowl games | 1993 World Trade Center bombing | Mexico at the 2011 Pan American Games | 2011 Norway attacks | 2011 NCAA Division I FBS football season |