night. most of those protests were peaceful, although at least two people were arrested including one man charged with striking a police officer. here is a graphic video that sparked the protests. it begins with a patrol car racing through the streets of the city s southwest side responding to a report of a man with a knife trying to break into cars. the video shows 17-year-old laquan mcdonald walking in the middle of the road. there you see him, knife in hand. prosecutor says he took the drug pcp that night. officer jason van diyke approac with their weapons drawn. within seconds they start shooting. he stumbles. 16 rounds fired, the majority striking the teenager as he lays on the ground. officer van dyke ordered held without bail after prosecutors charge him with first degree murder. his attorney says the shooting was justified because the officer feared for his life. i m joined by independent journalingist brandon smith