PITTSFIELD, Mass. — A former Pittsfield Police officer sentenced on Monday afternoon after pleading guilty to stealing more than $200,000 the Pittsfield Patrol Police Union.

Jeffrey D. Coco, 44, former union president, will serve up to 20 months in the House of Correction.

Coco was fired in November 2015 after some two months on administrative leave after an internal affairs investigation uncovered numerous improprieties with the union's accounts and fundraisers.

He pleaded guilty to two counts of larceny, ongoing and continuing offense, and a single count of identity theft in Central Berkshire District Court on Monday.

Judge John Agostini sentenced him to concurrent 20-month sentences for the larcenies and three years' probation on the identity theft. During the probationary period, Coco is to refrain from using illegal drugs and undergo counseling and drug testing. He will begin serving his sentence on April 3, 2017.    

Coco serving in various offices, including treasurer, of the union between January 2008 and July 2015. During that time, he generated a false document requesting access to certain funds.

The investigation was conducted State Police Detectives assigned to the district attorney's office with the assistance of members of the Pittsfield Police Department.