with the new information in hand dave contacted army officials and demanded that they really examine the actions of lieutenant hanson in hopes of appeasing the sheriff family colonel mcbride wrote a scathing reprimand of lieutenant hanson in it colonel mcbride writes you are hereby reprimanded for failing to exercise adequate commanding control over your platoon your conduct contributed directly to the death of one of your soldiers from friendly fire your mission was ill planned and poorly executed resulting in grievous consequences to the unit based on your actions i have grave doubts concerning your potential for future military service as it turns out the letter was filed locally in iraq what does it mean. it was shredded now they happened with it doesn't go past like asian nobody ever sees it and so when lieutenant hanson comes up for a promotion nobody sees this and he skates up to being captain which is what happened he gets promoted to captain that really was the final poke in the eye for us frustrated by lieutenant hansen's promotion dave contacted a former student james me a

. >> chris dave was found guilty of his wife's murder. he was dishonorably discharged from the armyentenced to life in prison. >> chris is cold blooded. he's sick. he's demented. he said he is not, he is a liar. i have seen it. first hand. how sick, evil this man can be. i saw it. >> chris, was very, very money hungry and that what he was looking at by the death of dorothy was freedom. he didn't have to worry about child support. he got rid of his wife and he got a cool $150,000. >> without that forensic evidence, chris would be a free man today. and there would be no justice for dorothy. >>> it looked like a routine traffic accident until a patrolman with no training suspected something worse, but he couldn't prove it until a bent steering wheel, a security camera and a physics calculation showed what really led to a young woman's death. >>> highway patrolman tony snyder was heading home after finiin

. >> chris dave was found guilty of his wife's murder. he was dishonorably discharged from the armynced to life in prison. >> chris is cold blooded. he's sick. he's demented. he said he is not, he is a liar. i have seen it. first hand. how sick, evil this man can be. i saw it. >> chris, was very, very money hungry and that what he was looking at by the death of dorothy was freedom. he didn't have to worry about child support. he got rid of his wife and he got a cool $150,000. >> without that forensic evidence, chris would be a free man today. and there would be no justice for dorothy. >>> up next -- >> this is the story of my life as a defenseless woman in the navy. >> a naval officer alleges a cover-up and threatens to go public. >> very soon, i'll have enough evidence to send in the media and then something will be done. >> but before that can happen, she's murdered, some say by the man she named as her rapist. >> i started suspecting something is amiss. this may be all a setup. >> can forensic science separate fact from fiction? >> the videotape is startling.

dave warren, thank you very much. >>> al jazeera has just learned that israeli army announced it has 25 soldiers that have been killed. >>> "techknow" is next and you can always check us out 24 hours a day, to our website, aljazeera.com. 24 hours a day, seven days a week, nonstop. we'll see you then. then. phil torres >> this is "techknow," a show of invo vasions that can save lives, we'll explore the intersection of hart ware and huge -- hardware and humanity. let's check out the team. marita davison is specialising in ecology. tonight, what are the scientists at monsanta up to. we go into their lab. are they moving away from

dave sent in arms to help the iraqi army. shut down amuch website to go fight in iraq alongside religions in a rock o, kind of surprising. the response has been kind of reserved. more to protect their strategic interest in iraq . i think the iranian leadership knows there will be dire consequences should they act more forcefully in iraq. and a moreattrition, intense rivalry with saudi arabia that the iranians might not need right now. they are also talking to washington. there is something brewing in relationship. they do not want to go hard after isis in iraq and putting washington in a difficult position with regard to its partners also. some lawmakers will object to the idea of cooperating with washington. matter, weple who haven't heard much about what many are saying. we know that they have no problem talking to and cooperating with washington and iraq. let me turn over to saudi arabia, which really is a fascinating story. a little bit puzzled by policy and thinking in iraq and across the middle east. for those who think

dave. have fun, too. >> absolutely. >> in roxborough celebration of our nation's birthday including salvation army of philadelphia leading the 184th annual independence day parade of churches and sunday schools. sounds of marchers and bands and drummers filling the air. >>> fourth of july festivities on going of course they started very early at independence hall. ♪ >> patriotic music filling the air for the celebration of freedom ceremony and hundreds soaked it all in. mayor michael nutter, vice-president joe biden and other dignitaries were on hand. the program featured music and reading from the declaration of independence and this year's ceremony recognized the 50th anniversary of the civil rights act of 1964 and the courageous spirit of those who fought for equal rights. >> there's been a constant march in america on the road to guaranteeing every man, woman and child the dignity, the dignity that they entitled to merely because they are children of god. not because of a constitution. >> following the ceremony the independence day parade featuring floats and dancers made their way from independence hall through cent

dave sent in arms to help the iraqi army. shut down amuch website to go fight in iraq alongside religions in a rock o, kind of surprising. the response has been kind of reserved. more to protect their strategic interest in iraq . i think the iranian leadership knows there will be dire consequences should they act more forcefully in iraq. and a moreattrition, intense rivalry with saudi arabia that the iranians might not need right now. they are also talking to washington. there is something brewing in relationship. they do not want to go hard after isis in iraq and putting washington in a difficult position with regard to its partners also. some lawmakers will object to the idea of cooperating with washington. matter, weple who haven't heard much about what many are saying. we know that they have no problem talking to and cooperating with washington and iraq. let me turn over to saudi arabia, which really is a fascinating story. a little bit puzzled by policy and thinking in iraq and across the middle east. for those who think

dave sent in arms to help the iraqi army. shut down amuch website to go fight in iraq alongside religions in a rock o, kind of surprising. the response has been kind of reserved. more to protect their strategic interest in iraq . i think the iranian leadership knows there will be dire consequences should they act more forcefully in iraq. and a moreattrition, intense rivalry with saudi arabia that the iranians might not need right now. they are also talking to washington. >> there is something brewing in the u.s. with the relations and they don't want to mess it up by coving hard in iraq to put then in a difficult position. celebrated among makers will object to the ada to cooperate with washington. the key people who matter in the rain and we have not heard much but i know that the former president talk about ending cooperating with washington and iraq. going over to saudi arabia which is a fascinating story i a little puzzled by the policy and thinking of iraq across the the release. >> if you don't understand what isis is t