acted in the way that he did. >> mj lee, appreciate it. thank. now, to the trial of three white men charged with the killing of a jogger, ahmaud arbery, a black man. during open statements today, prosecutors argued the defendants tracked down the 25-year-old, cornered him and shot him without any knowledge that arbery had done anything wrong even though they claim they were making a citizen's arrest. also today, an emotional moment for arbery's mom who saw the video of her son's death in its entirety for the first time adve as it was played in the courtroom. >> state of georgia versus travis mcmichael, greg mcmichael, and william r. brian. >> reporter: in a trial where race and racism take center stage, the nearly all white jury heard two very different accounts of how a 25-year-old black man, ahmaud arbery, was chased and killed by three white men as he was running in a coastal georgia neighborhood. >> mr. arbery takes off running and the pickup truck goes to follow him. >> reporter: in the opening statement, the lead prosecutor