BOSTON - A grand jury has indicted a Massachusetts State Police trooper authorities say shot an all-terrain vehicle driver during a confrontation on a Boston highway.
The Suffolk district attorney's office says Trooper Matthew Sheehan shot and injured 28-year-old Aderito Monteiro during a confrontation with 25 ATV and dirt bike riders on Interstate 93 in February 2018.
He's scheduled to be arraigned Oct. 10 on charges including assault and battery with a dangerous weapon.
Sheehan was one of 13 officers present during the altercation and the only one to open fire.
Prosecutors say Sheehan grabbed a semi-automatic service rifle out of his cruiser despite having a handgun on his hip.
Sheehan has been suspended without pay.
It could not be determined if he has a lawyer who could comment on his behalf.
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