- March 9 – Gbassay Koroma pleads guilty to murder for fatally stabbing his 40-year-old father Francis at their Centreville apartment on May 27, 2011.
- March 27 – 13-year-old Alexis Jackson is shot to death by her father, 40-year-old former Fairfax County Police officer John W. Jackson, Jr., who then commits suicide in his SUV in the driveway of the home at 3800 Forest Grove Drive in Annandale.
- Hobbs, Bonnie. "Local Man Pleads Guilty to Murder." Connection Newspapers. Connection Newspapers, 11 May 2012. Web. 13 July 2016.
- Fairfax County Police Department. Public Information Office. Apparent Homicide Suicide in the Sleepy Hollow Area. Fairfax County Police Department News Releases. Fairfax County Police Department, 27 Mar. 2012. Web. 27 Mar. 2012.
- MacDonald, Gregg. "Former Police Officer Is Subject of Apparent Murder-suicide." FairfaxTimes.com. Post Community Media, LLC/FairfaxTimes.com, 27 Mar. 2012. Web. 14 July 2014.
|Fairfax County by Year: 2012|
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