Shootings and tragedies of 2013

Police officers line the walkway and salute as the casket of slain Riverside Police Officer Michael Crain is carried for a memorial service at Riverside National Cemetery. Crain was killed in an ambush by Christopher Dorner as he sat in his police car at a red light on Feb. 7, 2013.
More:
Times special report: The manhunt for Christopher Dorner  (Gina Ferazzi / Los Angeles Times)

An emergency responder and volunteers push Jeff Bauman in a wheelchair after he was injured in an explosion near the finish line of the Boston Marathon.  (Charles Krupa / Associated Press)

A woman carries a girl from their home as a SWAT team searches for a suspect in Watertown, Mass., after the Boston Marathon bombing.  (Charles Krupa / Associated Press)

Boston Marathon bombing suspect Dzhokhar Tsarnaev, 19, is captured by law enforcement authorities in Watertown, Mass.  (Sean Murphy / Associated Press)

Flowers, personal objects and three crosses for the victims of the bombing are seen near the Boston Marathon finish line.  (Michael Reynolds / EPA)

Injured TSA officer James Speer walks with his wife, Lynn, after a public memorial service for TSA officer Gerardo Hernandez, who was killed in a shooting at LAX.  (Jae C. Hong / Associated Press)

A witness is comforted by a police officer after a shooting near Santa Monica College.  (Aaron Smith / For The Times)

People visit a memorial where Carlos Navarro Franco and his daughter Marcela Franco were shot during an attack across from the Santa Monica College campus.   (Genaro Molina / Los Angeles Times)

A damaged Capitol Hill police car is surrounded by crime scene tape after a car chase and shooting near the U.S. Capitol in Washington, D.C.  (Evan Vucci / Associated Press)

Navy Yard shooter Aaron Alexis is seen on a security camera moving through a hallway of Building No. 197 at the Washington Navy Yard.  (FBI / Associated Press)

Secretary of the Navy Ray Mabus speaks to personnel at the Washington Navy Yard during their first day back to work after a mass shooting in the building.  (Arif Patani / EPA)