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the capitol riot committee's primetime hearing laying out in detail how the insurrection unfolded. >> the politicians, the pundits who say that january 6th was anything short of a violent insurrection are lying. >> the committee is promising many more details that we haven't learned before. just justin bieber taking a break after getting a rare virus that has paralyzed half his face. >> i can't smile on this side of my face. >> i'm pamela brown. you are in the "cnn newsroom." a call to action under a ban hear the sums up the high stakes, march for your lives. in more than 400 cit...

>> it felt like we were being stung by bees. >> reporter: that shooting changed policy prompting the police departments to upgrade their own weaponry to counter the powerful guns being used by assailants. researchers simulate a bullet's impact on the home body. >> it is a block of gelatin meant to replicate human soft tis tissues. >> reporter: watch. >> for this round you will see the bullet coming in on this side. you see this temporary cavity here happening. that expansion happens in the body. then it chapollapses down. >> reporter: now a team fires a round from an assault rifle. >> more dis...