Massachusetts police oversight officials have stripped two former police officers of their licenses to work in law enforcement. One was accused of sexually harassing students and teachers at the local high school, and the other was charged with a broad range of unprofessional conduct, including leaving the scene of an off-duty car crash at a McDonald’s.

The two officers — Omar Connor , a former Groton Police officer, and Alexander Nirgianakis, a former Peabody Police officer — received lifetime bans from the profession. They join 66 others who the state’s Peace Officer Standards and Training Commission , or POST, has determined should never again carry a badge and gun in Massachusetts.

An arbitrator ruled in May that the Groton Police Department was justified in firing Connor over cl

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