Date: 7/8/2016
Number of officers killed: 5
Cause of death: Shot by snipers while patroling a Black Lives Matter protest.
Location: Dallas, TX
Date: 11/29/2009
Number of officers killed: 4
Cause of death: Ambushed and shot in a coffee shop while working on paperwork.
Location: Lakewood, WA
Date: 3/21/2009
Number of officers killed: 4
Cause of death: Shot by the same gunman in two related incidents, one a traffic stop and one an attempt to arrest the gunman.
Location: Oakland, CA
Date: 9/11/2001
Number of officers killed: 72
Cause of death: Killed while responding to the attacks on the World Trade Center.
Location: New York City, NY
Date: 2/27/1997
Number of officers killed: 11
Cause of death: Killed after their van was run off the road and into the path of two tractor trailers.
Location: Rutledge State Penetentiary, GA
Date: 4/19/1995
Number of officers killed: 8
Cause of death: Killed while responding to the attack on the Alfred P. Murrah Federal Building.
Location: Oklahoma City, OK
Date: 8/27/1994
Number of officers killed: 5
Cause of death: Killed in a plane crash returning from a cocaine suppression mission.
Location: Santa Lucia, Peru
Date: 2/28/1993
Number of officers killed: 4
Cause of death: Shot while trying to execute a search warrant at the Branch Davidian compound.
Location: Waco, TX
Date: 8/24/1990
Number of officers killed: 4
Cause of death: Killed in a plane crash during a counter-drug surveillance mission.
Location: Caribbean Sea
Date: 10/24/1988
Number of officers killed: 5
Cause of death: Killed when their helicopter crashed after snagging a power line.
Location: Imperial County, CA
Date: 7/5/1984
Number of officers killed: 4
Cause of death: Killed in a head-on automobile accident heading to another officer's funeral.
Location: DeQueen, AR
Date: 12/16/1982
Number of officers killed: 3
Cause of death: Killed in a plane crash while escorting a bank fraud suspect and his lawyer to Lunken Airport.
Location: Cincinnati, OH
Date: 12/31/1972-01/07/1973
Number of officers killed: 5
Cause of death: Killed during a five day spree by a sniper associated with the Black Panthers.
Location: New Orleans, LA
Date: 09/11/1971-09/13-1971
Number of officers killed: 7
Cause of death: Killed during attempts to retake Attica State Prison from an inmate riot.
Location: Attica State Prison, NY
Date: 4/6/1970
Number of officers killed: 4
Cause of death: Shot in a four-minute gun battle against two gunmen.
Location: Valencia, CA
Date: 10/30/1950
Number of officers killed: 8
Cause of death: Shot during a revolt by the Nationalist Party protesting the U.S. presence in Puerto Rico.
Location: Puerto Rico
Date: 1/2/1932
Number of officers killed: 6
Cause of death: Shot while trying to arrest two murder suspects in what was known as the Young Brothers Massacre
Location: Greene County, Missouri.
Date: 10/3/1929
Number of officers killed: 8
Cause of death: Killed during a riot at the Colorado State Penetentiary.
Location: Colorado State Penetentiary
Date: 2/20/1927
Number of officers killed: 8
Cause of death: Drowned in a boating accident while on patrol.
Location: Cape Cod
Date: 11/24/1917
Number of officers killed: 9
Cause of death: Killed in a bomb blast at the police station.
Location: Milwaukee, WI
Date: 4/6/1902
Number of officers killed: 6
Cause of death: Shot while trying to arrest a fraud suspect.
Location: Colbert County, AL
Date: 9/8/1900
Number of officers killed: unknown
Cause of death: More than half of the Galveston Police Department was killed in a hurricane off the Gulf Coast.
Location: Galveston, TX
Date: 07/27/1900-07/28/1900
Number of officers killed: 8
Cause of death: Shot trying to arrest a suspect.
Location: New Orleans, LA