MBTA October 1, 2024 9:00 pm MBTA official talks about investigation into Green Line derailment in Cambridge US & World Videos 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 2:07 Dockworker strike continues to impact ports