Fairfax County

Teen Stabs, Kills Mom's Boyfriend in Fairfax Co. in Possible Justified Homicide: Police

The teen was questioned by police after calling 911 to report he stabbed his mother's boyfriend during an assault

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Fairfax County police are investigating whether a teenage boy fatally stabbed his mom’s boyfriend to protect her during an attack.

Police said officers responded about 10 p.m. to a second-floor apartment in the Creekside Village complex in the Hybla Valley area after the juvenile teen called 911 from inside the family’s apartment.

They found 32-year-old Marcus Roberson, of Washington, D.C., with a life-threatening stab wound in the upper body, police said. He was taken to a hospital, where he died.

The teenager, identified only as a juvenile, told police he stabbed Roberson to stop the assault, police said. After questioning by police, he was released into his mother’s custody. He has not been charged.

The teen's mother was treated at the scene for injuries that are not considered life-threatening. Three other children were inside the apartment, but they were not harmed, police said.

Police confirm they are looking into the possibility that this is a case of justifiable homicide.

Neighbors told News4 the teen was helpful, friendly and protective of his mother.

One neighbor said the mom and five kids had lived next door for years, and the boyfriend often visited on weekends.

Video showed investigators were still at the scene Monday morning.

This is an ongoing investigation.

This is a developing story. Stay with News4 for more updates.

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