The Boston Globe reports that the trial of the former Bridgewater State Hospital guards on involuntary manslaughter charges is scheduled to begin Tuesday.
Inmate Joshua Messier suffered heart failure when the guards forcefully strapped him to a bed.
In 2010, prosecutors determined there was insufficient evidence to pursue criminal charges, and none of the guards was disciplined.
But in 2014, Attorney General Martha Coakley appointed a special prosecutor who determined there were grounds for charges.
An attorney for one of the guards says the appointment of the special prosecutor was politically motived and the guards maintain their innocence.
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