D.C. Gym Shooting Linked to Gunman's Housing Disputes

• •The shooter had a history of complaints about his apartment's condition.
• •One person was killed and four others injured during the shooting.
• •The shooter died by suicide after barricading himself in his apartment.

On November 12, 2026, a shooting occurred at a gym in a luxury condo in Washington, D.C., resulting in one death and four injuries. The shooter, Dr. Matt Lambert, 55, had been in conflict with the building's homeowners association over alleged disrepair issues. Lambert barricaded himself in his apartment after the shooting and later died from a self-inflicted gunshot wound. The victim, James Stuart, 46, was the building manager. Witnesses reported chaos during the incident, which prompted a significant police response. Lambert had previously expressed grievances on social media about mold and water problems in his unit, even referencing a prior shooting incident involving a similar dispute. The police are investigating the circumstances surrounding the shooting and Lambert's motivations.