A man was stabbed outside 50 Gloucester St. around 10 p.m. Because of the severity of his injuries, the homicide unit was summoned. A suspect may have been stopped inside the Trader Joe's around the corner on Boylston Street.
UPDATE: Boston Police report [2] arresting Michael L. Guess, 49, of Dorchester for the stabbing, add "Witnesses still on scene reported to officers the victim was stabbed after a confrontation with a male suspect."
Innocent, etc.