- June 12 – 16-year-old James H. Randall is mortally injured when he and 21-year-old Robert Clay are shot by Eddie Bennett at the Four Seasons community clubhouse at 1201 Herndon Parkway in Herndon. Randall and Clay had earlier crashed the graduation party of Bennett's daughter Shauntai and were involved in a fist fight that caused the party to break up. They returned later that evening and one of the pair started shooting in the clubhouse, upon which Bennett returned fire. Randall was taken to the Inova Fairfax Hospital, where he died early the next morning.
- June 25 – 17-year-old Troy Wooten is sentenced to 10 years in prison by Circuit Court Judge Arthur B. Vieregg, Jr. for mortally injuring 21-year-old Jason Baughman with a steel pipe on January 2.
- Jackman, Tom, and Maria Glod. "Two Guns found After Herndon Shooting." The Washington Post: 0. Jun 15 1999. National Newspapers Core. Web. 11 Nov. 2012 .
- Glod, Maria, and Tom Jackman. "Party Shooting was a Case of Self-Defense, Attorney Says." The Washington Post: 0. Jun 17 1999. National Newspapers Core. Web. 11 Nov. 2012.
- Jackman, Tom. "Police Won't Pursue Charges in Shootings; Herndon Party Killing Isn't Closed Yet." The Washington Post: 0. Dec 10 1999. National Newspapers Core. Web. 11 Nov. 2012.
- Pae, Peter. "Teen Gets Prison for Fatal Blow." The Washington Post: 0. Jun 26 1999. National Newspapers Core. Web. 22 Nov. 2012.
|Fairfax County by Year: 1999|
|May 1999||·||June||·||July 1999|