Clayton, FBI and NYPD Announce Federal Terror Charges in the Gracie Mansion IED Case, Mar. 9, 2026
March 9, 2026 · DRM News · 0:16:06
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What happened
U.S. Attorney Jay Clayton, FBI New York Assistant Director in Charge James C. Barnacle, Jr., and New York City Police Commissioner Jessica S. Tisch held a joint news conference on March 9, 2026, announcing federal terror charges in the case of the improvised explosive devices thrown two days earlier at a protest outside Gracie Mansion, the official residence of New York City’s mayor, according to the press conference as carried in full by DRM News and described by Reuters.
The devices were thrown on Saturday, March 7, 2026, during a “Stop the Islamic Takeover of New York City” event and counterprotests near Gracie Mansion, according to the Associated Press. Commissioner Tisch said the devices — packed with nuts, bolts, and screws and fitted with a hobby fuse, with one containing triacetone triperoxide, known as TATP — “could have caused serious injury or death,” and confirmed the case “is being investigated as an act of ISIS-inspired terrorism,” as the Associated Press reported from the news conference. Two men from Pennsylvania, ages 18 and 19, were arrested in connection with the devices; a third possible device found in a car tested negative for explosive materials, and Tisch said investigators had found no information connecting the case to events overseas in Iran, according to the Associated Press. No injuries were reported; officers at the scene ran toward a lit device as it was thrown, according to the New York Police Department’s account.
At the briefing, Clayton characterized the suspects’ intent in the terms Forbes Breaking News carried in its clip of the same press conference: the suspects “wanted to do something more than the Boston Marathon,” he said. The charges announced are allegations; the defendants are presumed innocent unless proven guilty.
Why it matters
This press conference is the public face of Clayton’s counterterrorism docket as U.S. Attorney — the category of SDNY work, prosecuting ISIS-inspired plots alongside the FBI’s Joint Terrorism Task Force and the NYPD, that Chairman Tom Cotton put first in his case for Clayton’s confirmation as Director of National Intelligence four months later, citing his oversight of terrorism prosecutions out of the Southern District.
Scoreboard watch
This is a candidate item for the weekly scoreboard: the federal terror charges announced on March 9, 2026, in the Gracie Mansion IED case — an alleged ISIS-inspired attack with TATP devices at the mayor’s residence — checkable against the Southern District case as it proceeds.
Sources: Joint news conference of U.S. Attorney Jay Clayton, FBI Assistant Director in Charge James C. Barnacle, Jr., and NYPD Commissioner Jessica S. Tisch, March 9, 2026 (full press conference as carried by DRM News, embedded above; briefers as listed by Reuters, March 9, 2026); Associated Press, March 9, 2026, on the devices, the arrests, and Commissioner Tisch’s statements. All characterizations as stated by the officials at the news conference; the charges are allegations.
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