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. this is special cnn live coverage as memphis and as we all come to grips with what we have seen done to a young man on video by five police officers who are now charged with murder. >> john, tomorrow, it will be three weeks to the day, since employees pulled over tyre nichols in a traffic stop that we see on video escalate out of all proportion, we then see nichols run off to be stopped at a second location and be given a fatal beating. before we show you just a portion of it. i wa...

so far. >> i think so, too. i did an interview over off of channel 3 drive, and the protest , this is where they started. and when i drove up, they were very period. they were walking around and they were getting ready to walk over to the bridge, and they were very peaceful. so that made you feel good. i didnt feel like i was in harms way. >> i said earlier that memphis has a rich history when it comes to the civil rights movement. it would be incredible for memphis to have a rich hist...

Later, they are the first people to sort of bring out a bag and start assessing him, doing things like looking in his eyes to see if, in fact, he has evidence of brain swelling, something you can do by looking at the peoples. assessing his breathing. you start to see some of that. but its pretty far along. there is just no sense of urgency, given how critically injured he obviously is. >> brain swelling. why do you jump to that, sunday, as something that mightve happened? >> i think that certain...

Vertigo, confusion. what weve also recognized is it can do also do something called the cavitation effect, little bubbles that can be produced in any fluid medium, which produces something very similar to decompression sickness which may have long-term structural and functional implications. microwaves on the other hand work a bit differently. the way they essentially work is the brain is really nothing more than electrochemical organ, and microwaves can disrupt the electromagnetic activity that...

concussion, 16-year-old died. the autopsy would reveal this, it could have been prevented. hello and thanks for joining us. thats a glimpse of the documentary, big hits, broken dreams. we are talking about the topics and the findings on concussions and how to prevent them. what do young players, parents and coaches need to know? its not just football. its other sports as well. not far behind is soccer. there are more head injuries in girls. we invited brandy to join us. shes going to s...

koulson quit the job in january, and was arrested last month. now, the prime minister is now in the mood to apologize. >> what the public expect is not pedestriany political point scoring, but -- [ jeering ] what they want is to solve the issue out once and for all, and its in that spirit i commend this comment to the house. >> just yesterday rupert murdoch, his son james, and top british executive for news corp, rebekah brooks, were in front of the committee. of course, theres the pri...