One Dead, Four Wounded in Washington DC Shooting Linked to Condo Dispute

One Dead, Four Wounded in Washington DC Shooting Linked to Condo Dispute

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A violent confrontation in a residential building in northwest Washington, D.C., ended in tragedy Thursday morning after a gunman opened fire, killing a building manager and wounding four others before taking his own life.

The shooting, which occurred shortly before 8:00 a.m. in the Logan Circle neighborhood, drew a massive law enforcement response just blocks from the White House, as reported by RTE.ie.

Authorities identified the shooter as 55-year-old Matt Wade Lambert, an emergency medicine physician and healthcare technology executive. Police said that Lambert entered the VIDA Fitness gym located within his own apartment complex, the Metropole, and fatally shot the building manager, James Stuart, 46.

Following the initial attack, Lambert barricaded himself in his seventh-floor penthouse, where he continued to fire at individuals on the street and eventually engaged in a standoff with police before dying from a self-inflicted gunshot wound, according to Sky News.

Escalation of a Long-Standing Condo Dispute

The violence appears to have been the culmination of an intense, years-long legal and personal conflict between Lambert and the Metropole Condominium Association. Court records indicate that the dispute began in March 2025, following facade repairs on the building that Lambert alleged caused severe moisture, water damage, and mold issues in his unit, as reported by The Irish Times. The association consistently denied these allegations of negligence in legal filings.

Lambert, who had purchased his $1.1 million penthouse in 2016, had recently attempted to sell the property with plans to relocate to New York. However, he described himself as trapped by the ongoing litigation, which he claimed had drained his retirement savings. In interviews conducted in late 2025, Lambert expressed to NOTUS that the situation had evolved into psychological warfare, significantly impacting his daily life and mental well-being.

“It’s affected every part of my life — my sleep, dietary habits. I pride myself on my resilience, and I’ve been kind of surprised at how much it has been affected, Lambert told NOTUS in December 2025.”

Public Safety and Law Enforcement Response

The shooting triggered a significant emergency response as police moved to secure the area. Metropolitan Police Department interim Chief Jeffery Carroll confirmed that officers arrived within seconds of the initial reports. During the standoff, negotiators attempted to communicate with Lambert, but they heard a gunshot while speaking with him over the phone, according to Sky News.

Four other individuals—two men and two women—were injured during the shooting. They were transported to local hospitals, with one victim listed in critical condition and the others suffering from non-life-threatening injuries, according to The Irish Times. Washington Mayor Muriel Bowser addressed the incident on Thursday, characterizing it as a senseless act of gun violence and confirming that the White House had been briefed on the situation.

Law enforcement officers leave the site of a shooting in Washington DC. Pic: Reuters
Photo: Sky News

A History of Unresolved Conflict

The tension within the Metropole had been public for some time. Lambert reportedly launched an anonymous social media account titled “Of Mice and Mold” to target the building’s management and the association. He also engaged in unconventional protest tactics, such as posting flyers on streetlights around Logan Circle and hosting open houses in his damaged unit to demonstrate the conditions to neighbors, as noted by NOTUS.

Gym members who were present during the initial attack described a scene of immediate panic. Michael Carney, a member who was on a treadmill at the time, told NOTUS that he heard a pop and saw a man fall to the ground.

“Everyone was kind of just hiding behind planters and stuff,” Carney said. The building manager, James Stuart, was pronounced dead at the scene, leaving behind a community in shock near the heart of the capital’s diplomatic and residential district.

More on Washington

One dead, four wounded in downtown Washington shooting: police chief — AFP News Agency
Washington DC Shooting Leaves One Dead, Four Wounded — DawnNews English
Washington, D.C. shooting: At least 1 killed, four wounded, gunman dead — WHIO
One dead, four injured in shooting at Washington, D.C., gym near White House — WFAA

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