Montana Man Arrested for Allegedly Threatening to Kill Massachusetts Resident

BOSTON – A Montana man who allegedly threatened to kill a Massachusetts resident was arrested yesterday.

Matthew Shelley, 37, of Missoula, Montana, was indicted on July 23, 2026, by a federal grand jury in Boston with one count of transmitting a threatening communication in interstate commerce. Shelley is scheduled to have an initial appearance and detention hearing in the District of Montana on Aug. 3, 2026. He will appear in Boston at a later date.

According to court documents, on Oct. 18, 2025, Shelly used X (formerly Twitter) to threaten a Massachusetts resident.: He allegedly wrote, “You work for k|kes who murdered my family family. I will kill you.”

On July 30, 2026, Shelley was arrested at his home in Montana.

The charge of transmitting threatening communications in interstate commerce carries a maximum sentence of up to five years in prison, up to three years of supervised release and a fine of up to $250,000. Sentences are imposed by a federal district court judge based upon the U.S. Sentencing Guidelines and other statutory factors.

United States Attorney Leah B. Foley and Ted E. Docks, Special Agent in Charge of the Federal Bureau of Investigation Boston Field Division made the announcement. Assistant U.S. Attorney Christopher Pohl of the National Security Unit is prosecuting the case.

The details contained in the charging documents are allegations. The defendant is presumed innocent unless and until proven guilty beyond a reasonable doubt in a court of law.