MBTA October 1, 2024 9:00 pm MBTA official talks about investigation into Green Line derailment in Cambridge US & World Videos 2:15 Gov. Healey blocks efforts to suspend gun reform law 1:04 Brian Walshe appears in court for latest hearing in murder case over wife's death 1:50 Derailed Green Line T train spells chaos for commuters from Boston 1:49 Family of man who died from EEE calls for answers 4:08 MBTA Green Line derailment under federal investigation