- March 6 – 20-year-old Brendan H. Tash is shot to death at a party at 6210 Cardinal Brook Court in Springfield when 19-year-old uninvited guest Durrell M. Pretty is asked to leave and decides to break up the party by firing a handgun into a crowd of partygoers.
- March 24 – 52-year-old Kiran V. Kadian is stabbed to death in her Great Falls home by her 20-year-old son, Jayant Kadian.
- "House Party: Community Tragedy." The Connection Newspapers. Connection Newspapers, 25 Oct. 2005. Web. 14 Feb. 2012.
- Jackman, Tom. "Great Falls Woman found Slain in Home; Police Searching for Son After Stabbing; Neighbor Describes Tension in Family." The Washington Post: B.03. National Newspapers Core. Mar 25 2005. Web. 26 Oct. 2011.
|Fairfax County by Year: 2005|
|February 2005||·||March||·||April 2005|