West Yarmouth Man Pleads Guilty to Stealing Funds from Labor Union

BOSTON – A former Barnstable County employee pleaded guilty yesterday in federal court in Boston to embezzling from a labor union.

Kenneth Mattoon, 67, of West Yarmouth, pleaded guilty to embezzlement of labor union assets. U.S. District Court Chief Judge Denise J. Casper scheduled sentencing for April 15, 2026.

Between May 2020 and May 2025, Mattoon embezzled funds from the Barnstable Massachusetts Department of Public Works Employees Local Number 3003 of the American Federation of State, County and Municipal Employees, AFL-CIO.  Mattoon was an officer of the labor union at the time.

The charge of embezzlement from a labor union provides for a sentence of up to five years in prison, three years of supervised release and a fine of $250,000. Sentences are imposed by a federal district court judge based upon the U.S. Sentencing Guidelines and statutes which govern the determination of a sentence in a criminal case.

United States Attorney Leah B. Foley; Ted E. Docks, Special Agent in Charge of the Federal Bureau of Investigation, Boston Division; and Chief Jean Challis, Barnstable Police Department made the announcement today. Assistant U.S. Attorney John T. Mulcahy of the Public Corruption & Special Prosecutions Unit is prosecuting the case.