Physician Identified as Suspect in Fatal Logan Circle Gym Shooting Linked to Condo Dispute

One person died and four others were wounded Thursday morning when a board-certified emergency physician opened fire inside a Logan Circle gym, setting off a police standoff that ended when officers forced entry into his seventh-floor apartment and found him with a gunshot wound.

Matt Lambert, a federal law enforcement official confirmed to City Cast DC, unleashed gunfire at VIDA Fitness around 8 a.m. Thursday. NBC Washington also identified the suspect, citing two federal law enforcement officials, while Interim Police Chief Jeffery Carroll said at a news conference that officers arrived within 30 seconds of the emergency call to find one victim dead inside and four others wounded, including construction workers outside the building.

Court records show Lambert owned a penthouse unit at the Metropole Condos located directly above the gym, where he had an active lawsuit against the condo association alleging that building facade repairs caused water leaks resulting in more than $100,000 in damages.

In that lawsuit, filed in D.C. Superior Court in March 2025, Lambert claimed the association failed to properly maintain the building and ignored repeated warnings about black mold and structural damage.

The condo association countered in court filings that laundry dryers from the VIDA Fitness facility below caused excess moisture buildup in his unit. Prior to the shooting, an X account connected to Lambert posted screenshots of what it described as a “manifesto” and an engineering report detailing the water damage dispute, while referencing internet phrases linked to recent tenant grievances.

DC Police, National Guard remain outside VIDA Fitness after deadly Logan Circle shooting — WUSA9

Joel Braithwaite, Lambert’s attorney, told reporters he was bewildered by the tragedy and described his client as a “healer” who had never mentioned owning guns and seemed to be in a “great head space” during a conversation earlier in the week regarding a new job.

According to Braithwaite, Lambert was involved in ongoing litigation with the condo association, claiming that maintenance work on the building exterior let water seep into his penthouse and caused upwards of $100,000 in property harm.

“I don’t think there’s any sense to be made,” Braithwaite said to press members when questioned whether any aspect of Lambert’s financial, physical, or mental status could account for the events of Thursday. “I can’t give you that closure.”

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Chief Carroll stated during the police briefing that investigators believe the suspect had a conflict between him and the homeowner’s association of this building.

Authorities continue the investigation while processing physical evidence and reviewing the timeline of the civil litigation between the suspect and the Metropole Condos board.

Suspect dead after killing 1, injuring 4 in mass shooting at Vida Fitness in Logan Circle — WUSA9