Christopher Stuck of Connecticut identified as construction worker killed after stairwell collapsed in Cambridge parking garage Updated Mar 04, 2021; The construction worker killed Wednesday when a stairwell collapsed in a Cambridge parking garage has been identified by authorities as a Connecticut man. Middlesex District Attorney Marian Ryan, Cambridge Fire Chief Gerry Mahoney and Cambridge Police Commissioner Branville Bard, Jr. have identified the fatal victim from the construction site located at First Street Garage in East Cambridge as Christopher Stuck, 56 of South Windsor, Connecticut. At roughly 8:23 a.m. on Wednesday, Massachusetts State Police assigned to the Middlesex District Attorney’s Office were notified by the Cambridge police of a fatal incident at a construction site.