September 9, 2019 7:15 pm Feds Investigate Deadly Dive Boat Tragedy A criminal investigation was launched into the fiery dive boat disaster. Patrick Healy reports for the NBC4 News on Monday, Sept. 9, 2019. US & World Videos 0:50 Arson ruled out as cause of Oceanside Pier fire 2:57 Pro-Palestinian vigil and march for Gaza in Pasadena 1:57 Pedestrian killed in multi-vehicle crash in Hollywood 7:28 Tensions rise as UCLA protest continues 2:42 Executive staff to LA County DA accused of mishandling confidential police files