for them and that's what led them to form scientific advisory study team led by retired general gregory martined two summers ago, back in the summer of 2010. remember the haney crash, the tragedy in alaska didn't occur until november of that year. so the air force and experts across the nation have been working pretty hard for the last two years to figure out what is going on with the an war oxygen generating system. >> is that what we think is the culprit? >> yes, it seems to be there. the question is that's not just one little system. there's a lot that goes into that. you've flown a high-performance aircraft and remember what it's like to put on the helmet, the mask, you've got the connections between the mask and the oxygen generation system, all of those have been picked apart and looked at very thoroughly. the real problem, vago, is the data is very sparse. we're talking about less than 25 incidents across more than 110,000 hours of flight. so there are literally highly experienced f-22 pilots who have never had the hypooxy symptoms and don't know anyone who's had the hypoxy symptoms. >>

will use in the trial of george zimmerman for the shooting death of trayvon martin most unseen by the public until now. curt gregory has the story. >> reporter: more than 180 pages of documents, witness statements and photographs were released late thursday by special prosecutor's office. the evidence they say support their charges against george zimmerman. never before seen photos of injuries allegedly sustained by the 28-year-old zimmerman during his confrontation with trayvon martin. and images of the scene where the shooting took place, on february 26th. zimmerman is charged with second degree murder, but has pleaded not guilty under florida's stand your ground law. also within the documents are reports from investigators including one that describes an interview with martin's father, tracy martin, two days after his son's death. the investigator reported "i asked mr. martin if the voice calling for help was that of his son. mr. martin clearly, emotionally impacted by the recording qui quietly responded no." martin's mother, sabrina fulton, insisted the screams audible on recorded 911 calls are that of her son.

in the trial of george zimmerman for the shooting death of trayvon martin most of it unseen by the public until now. nbc's kurt gregory has that story. >> reporter: more than 180 pages of documents, witness statements and photographs were released late thursday by special prosecutor angela corey's office. evidence the state says supports their charges against george zimmerman. among the pages, never before seen photos of injuries allegedly sustained by the 28-year-old zimmerman during his confrontation with trayvon martin. and images of the scene where the shooting took place, on february 26th. zimmerman is charged with second degree murder, but has pleaded not guilty under florida's stand your ground law. also within the documents are reports from investigators including one that describes an interview with martin's father, tracy martin, two days after his son's death. the investigator reported "i asked mr. martin if the voice calling for help was that of his son. mr. martin clearly, emotionally impacted by the recording quietly responded no." martin's mother, sabrina fulton, insisted the screams audible on recorded

martin case. what's not yet clear is what it all means. nbc's kurt gregory reports. >> reporter: more than 180 pages of documents, witness statements, and photographs were released late thursday by special prosecutor angela corey's office. evidence the state says supports their charges against george zimmerman. among the pages, never-before-seen photos of injuries allegedly sustained by the 28-year-old zimmerman during his confrontation with trayvon martin and images of the scene where the shooting took place on february 26th. zimmerman is charged with second-degree murder but has pleaded not guilty under florida's stand your ground law. also within the documents are reports from investigators including one that describes an interview with martin's father, tracy martin, two days after his son's death. the investigator reported, "i asked mr. martin if the voice calling for help was that of his son. mr. martin clearly, emotionally impacted by the recording, quietly responded, no." martin's mother, sabrina fulton, has insisted that the screams audible on record

martin o'malley will be involved. during his appearance on "meet the press" on sunday, david gregory asked o'malley if he has presidential haven't even thought that far. i mean, i'm focused on what i'm doing now, which is doing everything in my power to help elect democratic governors like tom barrett in wisconsin. >> newt gingrich did have a little advice for o'malley should he decide to run for president -- raise a lot of money. >>> opponents of same-sex marriage say they will meet a key deadline this week as they try to get maryland's new law on the november ballot. the november marriage alliance says it has more than the nearly 19,000 signatures needed by thursday. from there, the group must gather another 37,000 signatures by june 30 to force a referendum. >>> people came from out of state to protest the sunday service of a controversial pastor. demonstrators lined the streets in the town of newton, north carolina, on sunday to condemn statements made by pastor charles wuerly. earlier this month he called for gay people to be locked behind an electrified fence until they die out. he made the comments after president

and we have martin owe mally as well and we talked to reince priebus and what that all means on sunday. >> good stuff. david gregorywe'll see if you get as much fire out of that. you never know. >>> running with romney, the for the one and only time that he number tw. former massachusetts lieutenant governor carrie heally on what it is like being on the ticket with romney and what she thinks he's thinking about for his important national pick. today's prif yeah question, what current senator once had a bomb placed under the hood of his car? the correct answer gets a call from us. the answer and more coming up on "the daily rundown." ♪ ♪ ♪ ♪ ♪ all at 150 calories or less, there's definitely a temptations for you. unless you're one of those people who doesn't like delicious stuff. temptations. it's the first jell-o that's just for adults. like a ramen noodle- every-night budget. she thought allstate car insurance was out of her reach. until she heard about the value plan. dollar for dollar, nobody protects you like allstate. i've been fortunate to win on golf's biggest stages. but when joint pain and stiffness from p

gregory." good morning. so much campaigning ahead this summer. joining me the democratic governor of maryland, the chairman of governors association martin o'malley and former speaker of the house newt gingrich. great to have you both here and good morning. speaker gingrich, now that you are here and no longer as a candidate, you were here about a year ago declaring your candidacy. where are you in this race? are you unequivocally behind governor romney and do you think he can win? >> oh, sure, given this level of unchltment and this level of deficits it's very likely he will win and you'll see it pull away in september and october. >> what have you learned about mitt romney? >> he's tough. much tougher than i thought. he's a very good organizer, in the end he can organize at a scale that can match obama, i couldn't. i think he's a good study. i think he really, woed hard at understanding when i beat him in south carolina, what he had to do to come back in florida, and so i have substantial respect for his ability as a leader to do the things he has to do to get the jobs done. >> you heard me frame this. who's got the skills? i feel this is a bai

gregory." good morning. so much campaigning ahead this summer. let's get right to it. joining me the democratic governor of maryland, the chairman of the democratic governors association, martin e mali and former speaker of the house newt gingrich. great to have you both here and good morning. speaker gingrich, now that you are here and no longer as a candidate, you were here about a year ago declaring your candidacy. where are you in this race? are you unequivocally behind governor romney and do you think he can win? >> oh, sure, i'm totally committed to romney's election. i think given this level of unemployment and this level of deficits it's very likely he will win and you'll see it pull away in september and october. >> what did you learn from campaigning against mitt romney about him? >> he's tough. he's much tougher than i would have thought. he's prepared to do what it takes to win. he's a very good organizer, in the end he can organize and raise money on a scale that can match obama. i couldn't. i think he's a good study. i think he really worked hard at understanding when i beat him in south carolina, what he had to do to come back in florida, and so i have substant