‘Delay, Deny, Defend’: DC Gunman Referenced Luigi Mangione During Interview With Journalist Ahead Of Shooting

Matt Lambert, an emergency room doctor accused of opening fire in Washington, DC, had referred to Luigi Mangione during an earlier interview about a dispute over alleged mould and water damage in his apartment. The reported remark linked the phrase “delay, deny, defend” to Mangione, whose alleged use of those words brought the phrase public attention.

Lambert had told journalist Michael Brice-Saddler that the dispute with his building manager, James Stuart, and the management company was affecting his sleep and diet. He claimed his million-dollar flat had black mould and severe leaks, and shared third-party test results on an X account called “Of Mice and Mold”. Police said Lambert allegedly killed Stuart and injured four others at a fitness centre shortly after 8am on Thursday; the interim police chief said the shooter died from a self-inflicted gunshot wound.