Mass. Man Sentenced for Mailing Death Threats to NH Family

Michael Dube, 48, of Tewksbury, Massachusetts, is headed nowhere near prison—but he’s not walking free. Instead, he’s been slapped with five years of probation and a $16,500 fine after pleading guilty to mailing violent, sexually charged threats to a family in Sandown, New Hampshire.

Federal court records reveal Dube sent three letters between March 2 and June 2, 2016, each postmarked from Boston and delivered to the victim’s home in rural Sandown. The contents were not just disturbing—they were criminal: explicit threats to break the recipient’s legs, rape his daughter, and murder his son. No weapons were fired, but prosecutors say the psychological terror was real and relentless.

Dube previously pleaded guilty to three federal counts of mailing threatening communications, a felony that carries serious weight under U.S. law. The threats were not idle, investigators say. They triggered an immediate multi-agency response, shaking loose a stalking pattern investigators believe was fueled by obsession and unchecked rage.

“By sending these threatening communications to the victim, the defendant attempted to create a climate of fear and intimidation,” said Acting U.S. Attorney John J. Farley. “Such conduct cannot be tolerated.” Farley credited law enforcement for cracking the case and ensuring Dube faced consequences.

FBI Boston Special Agent in Charge Harold H. Shaw didn’t mince words: “Mr. Dube was blinded by his obsession and oblivious to the impact of his crimes. He carried out a relentless stalking campaign whereby he violated his victim’s privacy and threatened those around him.” Shaw emphasized that violence doesn’t need a weapon—words can wound just as deeply.

The investigation was launched by the Sandown Police Department and rapidly expanded to include the FBI, Derry, Salem, Raymond, and Tewksbury Police Departments. Assistant U.S. Attorneys Helen Fitzgibbon and Donald Feith handled the prosecution. The sentence stands as a warning: even mailed threats, however remote, will be met with full federal force.

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