Who is Matt Lambert? Doctor identified as gunman in deadly gym shooting in ritzy DC neighborhoodKelsie Cairns Fri, November 13, 2026 at 1:28 PM UTC
The gunman involved in Thursday's deadly gym shooting in Washington, D.C., had referenced "Luigi" tactics in a social media post weeks before he allegedly killed his building manager and wounded six others amid a bitter feud over mold and maintenance problems.Dr. Matt Wade Lambert, 55, who police identified as the shooter, was found dead from a self-inflicted gunshot wound inside his apartment after the attack, police said. James Stuart, 46, and six others were wounded when Lambert opened fire inside the VIDA gym in D.C.'s Logan Circle neighborhood around 8 a.m. Thursday.
In his post to X under the name "OfMiceandMold" he mentioned the first name of accused United Healthcare CEO killer Luigi Mangione in an October post blasting his homeowner's association over what he described as "months of 'Luigi' tactics."
The account features numerous posts, photos and videos of alleged issues inside the apartment.
Dc Gym Shooting Kills 1, Injures 4; Gunman Dead, Sources Say
The motive appeared to stem from Lambert's ongoing battle with the condo homeowner's association and building management over complaints about maintenance and mold, police said. That included a lawsuit filed by Lambert.
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Less than 10 minutes before the first calls about the gunfire came in, according to the , Lambert appeared to post "My manifesto is an engineering report" on X with screenshots from that report.
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A cordoned-off area after a shooting in Washington, D.C., Nov. 12, 2026.
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The photos show the dispute between Lambert and the Metropole Condominium Association over problems like "mold" and "water intrusion" issues.
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Law enforcement officers work at the site of a shooting in Washington, DC, Nov. 12, 2026.
Fox News Digital has reached out to EJF Real Estate Services, the company that owns Lambert's apartment building, for comment.
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The shooting is still under investigation.
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Fox News' Alexandra Koch, Robert McGreevy and David Spunt contributed to this report.
Original article source: Who is Matt Lambert? Doctor identified as gunman in deadly gym shooting in ritzy DC neighborhood
Source: Crime
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