she intended to grab her taser when she mistakenly grabbed her gun, and pulled the trigger. >> i'll tase you! i'll tase you! taser taser taser! >> reporter: we've frozen the body camera video just before potter fires the single bullet to the chest, killing wright, the father of a young son. >> holy [ bleep ] i just shot him! >> reporter: wright's family demanding justice. >> he should be here with us now. he didn't deserve this. >> reporter: david, this is only the second time a trial in minnesota is streamed to the public. this first was of derek chauvin. in fact the potter case is happening in the same courtroom. david? >> alex perez with us tonight. thank you. >> reporter: from washington tonight former president trump's chief of staff is now