D.C. condo shooter had posted complaints about mold and building issues before attack
Police said the gunman, identified as Dr. Matt Lambert, had used his X account to document alleged disrepair in his condo unit before opening fire at the building’s gym, killing one manager and wounding four others before killing himself.
Police identified the shooter in Thursday’s gym shooting at the Metropole Condominiums in Washington’s Logan Circle as Dr. Matt Lambert, 55, a founder of a healthcare consultancy. After a standoff, Lambert died by suicide in his apartment, and three firearms were recovered from the scene.
Lambert’s X account, @OfMiceandMold, contained numerous posts complaining about mold, water damage and rodent problems in his unit. He alleged that the building’s contractor, EJF Real Estate Services, and the condominium association failed to address the issues. In a post dated October 1, he referenced “Luigi” tactics – a phrase linked to a 2024 shooting by Luigi Mangione – and said he would release an independent engineering report when appropriate.
Court records show Lambert purchased a penthouse in the building in September 2016 for $1,095,000 and later sued the Metropole Condominium Association, seeking more than $290,000 in damages. The association and EJF denied responsibility for the alleged damage.
The shooting occurred inside the Vida Fitness center on the ground floor. One witness who was on a treadmill at the time recounted hearing gunfire and evacuating past the scene where a victim was killed. Another resident, who lived directly below Lambert’s apartment, said Lambert had become increasingly upset at homeowners-association meetings and had invited people to view the condition of his unit.
The victim who died was identified as 46-year-old James Stuart, the building’s manager. Four other residents were injured. Police continue to investigate the incident.