BALTIMORE COUNTY, Md. (WJZ) — Baltimore County has lost 10 officers in the line of duty since 1932.

According to the Officer Down Memorial Page, all the of the officers killed were male.

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On Monday, the county police department lost its 11th officer in the line of duty after a female officer was fatally wounded while responding to a call of a suspicious vehicle in a Perry Hall residential neighborhood.

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Police said the initial investigation reveals the officer may have stumbled upon a robbery in progress.

At this time, police have not identified the officer killed.

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One suspect was arrested in the death of the officers.

Officials are still looking for three other suspects in the case.

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Here’s a list of the officers killed in the line of duty in Baltimore County, their end of watch and the cause of their deaths:

  • Police Officer I Jason L. Schneider | End of Watch (EOW): Aug. 28, 2013 | Cause: Gunfire
  • Lieutenant Michael Patrick Howe | EOW: Aug. 11, 2008 | Cause: Duty related illness
  • Sergeant Mark Frank Parry | EOW:  Jan. 21, 2002 | Cause: Vehicular assault
  • Police Officer John W. Stem, Sr. | EOW: Oct. 19, 2000 | Cause: Gunfire
  • Sergeant Bruce Allen Prothero | EOW: Feb. 7, 2000 | Cause: Gunfire
  • Patrolman Robert William Zimmerman | EOW: Nov. 14, 1986 | Cause: Struck by vehicle
  • Corporal Samuel L. Snyder |  EOW: Aug. 23, 1983 | Cause: Gunfire
  • Patrolman Charles Alan Huckeba  | EOW:  July 6, 1977 | Cause: Gunfire
  • Patrolman Edward Kuznar | EOW: Dec. 9, 1969 | Cause: Vehicular assault
  • Turnkey William G. Hunter | EOW: June 9, 1932 | Cause: Assault
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