Rookie police officer killed on first day of job; 2 officers injured

Officer Ashley Guindon, center, was killed Saturday responding to a domestic incident in a Washington D.C. suburb. (Prince William County Police Department)

WASHINGTON (ABC7) -- Police Officer Ashley Guindon was shot and killed Saturday evening responding to a domestic related shooting in the 15000 block of Lashmere Court., a Prince William County Police Department spokesperson said.

Guindon was sworn into the police department just one day prior to her death, according to PWCPD's Twitter page. Police said two officers were also shot, and the severity of their injuries were unknown.

ABC7 News reporter Amy Aubert learned Sunday that Guindon was a United States Marine, according to a Prince William County Police officer.

According to the Prince William County Police Facebook page, Guindon was a graduate of Embry-Riddle Aeronautical University in Daytona Beach, Fla. She earned a bachelor's degree in aeronautics, and has a family in law enforcement. Guindon was assigned to work patrol in eastern Prince William County.

On Sunday, police identified Ronald Hamilton of Woodbridge, Va., as the suspect involved in the shootings. Authorities said another woman, later identified as Hamilton's wife, was killed during the altercation.

Prince William County Police officer Brandon Carpenter said Hamilton is being held without bond on charges including murder of a law enforcement officer. Hamilton faces other charges, including a separate first-degree murder charge, and is scheduled to be arraigned Monday. Police said Hamilton is a military serviceman.

According to ABC7 News reporter Roz Plater, neighbors said they heard gunfire, screams, and police running with guns drawn.

Prince William County Police said officers arrived to a Woodbridge suburb for a "verbal argument" around 5:30 p.m. Saturday.

Prince William County Police held a 12:30 p.m. press conference Sunday regarding Saturday night's incident.

This story has been updated Sunday, Feb. 28, 2016

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