Man, woman, family dog shot in Dumfries home; suspect arrested at Dulles Airport

Double Homicide Investigation – On Wednesday, Nov. 16, 2022 at 11:16PM,  Prince William County Police officers responded to a residence located in the 17400 block of Isle Royale Terrace in Dumfries (22025) to investigate a shooting. The investigation revealed two adults, a man and woman, were shot inside the basement area of the home by a man who had forced his way into the residence. A family dog, a male Pitbull mix, inside the home was also shot.

The suspect fled in a vehicle prior to police arriving on scene. Officers provided first aid to the male victim prior to rescue personnel transporting him to an area hospital where he died as a result of his injuries later that morning. The female victim was pronounced dead at the scene. Due to the injuries sustained in the incident, the family dog was humanely euthanized. The incident was isolated to the home and the parties involved were known to one another.

The investigation revealed the suspect, and the female victim were previously in a relationship. During the course of the investigation, the suspect was identified. Information on the suspect and the suspect vehicle were provided to area law enforcement. Virginia State Police troopers saturated area roadways outside of the county in an attempt to locate the vehicle. The incident was isolated to the home and the parties involved were known to one another, police said.

Then shortly before 2:00AM today, Thursday, Nov. 17, officers with the Metropolitan Washington Airports Authority Police Department reported the suspect vehicle had entered a short-term parking lot on the property of Dulles International Airport.

Law enforcement at the airport coordinated with Virginia State Police, along with helicopter assistance from Fairfax County police, and located the vehicle in the lot where the suspect was detained without incident. Charges are pending against the suspect who was identified as a 24-year-old man of Woodbridge. More information will be released when available. The investigation continues.
Identified:
The deceased were identified as Alyssa Trynese GAINEY, 22, of Woodbridge, and Javon Alberto WILLIAMS, 24, of Dumfries