bob hager, bob, great to have you with us. it was 239 total people on board, 227 passengers 152 were chinese citizens. 38 passengers malaysian and three americans were on boodard. >>> also we'll take you to australia and the tajing point for the year-long search for this flight. we'll also speak with the former ntsb vice chair. >>> we are following another major story, this one out of cincinnati. the prosecutor's office confirming they are investigating other officers in the death of sam dubose. meanwhile, ray tensing is being held on a $1 million bond. he pleaded not guilty to murder charges in his court appearance this morning. police say he fatally shot dubose during a traffic stop on july 19th. yesterday, police released the body cam video. tensing's attorney says the video doesn't tell the entire story. >> there are two sides of this thing. that video tape is subject to more than the interpretation that's been put out there by the prosecutor. >> joining me now from cincinnati is sarah dowel off. obviously the defense atto

. >> joining us now former nbc news aviation correspondent robert hager. bobd you something in the "new york times" article that's up now from quoting an australian aircraft engineer who's worked on the 777. he's quoted as saying the object that was found points to a powerful impact with the ocean. his quote is looking at the part, just the photo it suggests the part separated from the aircraft violently. looking at the part it is pretty clear the aircraft didn't survive. it was completely destroyed. if this was a full-impact when it hits the ocean opposed to coming apart or exploding in the air what does it mean about the debris field and the way the debris field would move through the ocean? >> well, it simply means the smaller parts that can float, such as this piece of the wing with, could, in fact, be able to migrate a long way across the indian ocean, 3,000 miles away. so it confirms that a piece like this could in fact come from the aircraft. you know, i think we got to dampen expectations here. the discovery of this wing part doesn't really tell you th