By Associated Press - Wednesday, October 26, 2016

WORCESTER, Mass. (AP) - A Leominster man is heading to prison after accepting a plea deal in a shooting that left a Fitchburg man dead last year.

Twenty-nine-year-old Andrew Mathieu pleaded guilty Tuesday in Worcester (WUS’-tur) to charges including manslaughter in the May 2015 killing of 24-year-old Roy Rivera. Mathieu was sentenced to 17 ½ to 19 ½ years behind bars.

Prosecutors say Mathieu and his girlfriend had driven to Fitchburg with their 7-year-old son to buy heroin on the night of the shooting. They say Rivera pulled up and confronted Mathieu and the two got into an argument.

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Authorities say Mathieu shot Rivera after he struck Mathieu in the head with a bottle.

Rivera was found by police slumped over the steering wheel of a car. He was pronounced dead at a hospital.

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