Overview
- Michael Robinson, 47, was found guilty of involuntary manslaughter and assault and battery with a dangerous weapon (shod foot) after a six-day jury trial in Plymouth Superior Court.
- Prosecutors said surveillance footage showed Robinson punching and kneeing Scott Wonoski, 43, then kicking him while wearing heavy footwear in a bathroom at the Massachusetts Treatment Center in Bridgewater.
- Corrections officers discovered Wonoski unresponsive and bleeding; he was treated at the scene, transported to Good Samaritan Hospital in Brockton, and pronounced dead early the next morning.
- The Office of the Chief Medical Examiner determined the cause of death was blunt force injuries to the head and torso, and authorities classified the death as a homicide.
- Robinson, a Gloucester resident incarcerated at the facility at the time, is scheduled to be sentenced on Jan. 9, 2026, after initially being indicted on second-degree murder in 2021.