good morning. we re gaining new insight into the troubled mind of navy yard gunman aaron alexis. the fbi has released a surveillance video that shows alexis the morning of the 23urd murders. we re getting a look at the s t shotgun that investigators say he used in that attack. abc s devin dwyer has more. reporter: for the first time, a look at what the victims saw inside navy yard building 197. chilling new fbi video shows a killer on the prowl. aaron alexis, armed with a sawed-off shotgun, going room-to-room. there are indicators that alexis was prepared to die during the attack. and he accepted death as the inevitable consequence after his actions. reporter: alexis roamed freely for an hour and a half. entering a navy yard parking garage just before 8:00 a.m. moments later, cameras catch him walking in through the first door, without any security check. he then went to the fourth floor, took out his gun and began stalking targets. it appears that mr. alexis, in
about what this is here, tr s several come poebts. the america s cup is first technology, then it s a bit of boat building. and then it s team work. and they pulled all of this together. the boat was not working the way they needed it to work. they were in a real whole hole against this team of new zealand. they moted the boat, fixing it to be competitive to where they could take back the opportunity in this regatta here at the very end to defend that cup. here s a story inside the story, if you guys want to really know the truth of the matter here. russell is a man behind the scenes we didn t see much here during this america s cup in san francisco. and now we ve staged it all summer. russell koontz is a man from new zealand who led new zealand to world dominance in sailing. he s the winningest skipper of all time. i ll tell you in, as we think of larry ellisonellison s contribu bringing in a.c. live line, all of the graph ecks, all of the production to make this family frie
start of the first race of the competition oracle team usa was behind, penalized two race victories by the international jury for illegally modifying boats in warmup races. emirates team new zealand outsailed and outshined ellis s team race after race until the u.s. team turned the tide in the 12th race gaining time and momentum on the kiwi team. all the boys were loose. they were positive. jimmy is a great leader. it s a boat full of assassins. the most spectacular comeback in the history of the america s cup. reporter: and wednesday keeping the oldest trophy in international sports in the united states. kurt gregory, nbc news. just spectacular. way to go team usa. now to an amazing discovery in alaska. thousands of fossilized dinosaur tracks. scientists say they found these footprints along the banks of the yukon river. these fossils were preserved in natural casts which form after the dyno steps in mud and then sand forming the footprints. scientists say it could
bundle of nerves in his knees and electrodes implanted in his brain are able to read what this connection and make that movement. it s amazing. it is absolutely phenomenal. it weighs just over ten pounds and it has two engines in there powering it. do you remember the $6 million man in the 70s? it s like that. just remarkable. really is. so this is the leg and the toes. just imagine on the hands to be able to finally move your hands in a way where you can pick things up. there are products that do things like that but nothing this advanced. amazing stuff. all right. there are six ast snaut naughts on the international space station after a soyuz capsule brought in three new members. michael hopkins and two russians made the six-hour journey in space. the six month mission lynn cloud a space walk with the olympic torch that will remain unlit over safety concerns. left rover rain in the kl account, scattered showers in south florida. rain and mountain snow from t
so the ball bounces back to the house s court where republicans say they will likely attacattac attack something else. not a lot of people talking to each other in this point. we are four days away from monday s midnight deadline where the government will shut down if the house and senate can t work this out. has the president himself been impacted? reporter: his approval rating has taken a hit. this new york times cbs poll shows his approval rate at 43%, lower than his disapproval rating. on how the president looks at health care it is lower. on the deficit, 35% low with 54% disproval disapproval and we have the debt ceiling debate going on next month. now to new chilling fbi video of an armed aaron alexis inside the navy yard. these are the eerie moments before he allegedly went on a rampage. you can see alexis creeping downstair cases armed with a shotgun and stalking through hallways. his shotgun had four messages etched into it including my elf effort. the fbi sa