. >> reporter: seeing the life squeezed out of george floyd by officer doerk derkerek chauvin' his neckre front the ugly reality of racial injustice in america. >> why was this incident such a spark? >> i've been doing this work for a long time and i've seen a lot of terrible videos. and this one actually struck me differently also. >> reporter: what was different about it? >> it was long. it was long and to see someone's life being taken from them with that kind of excruciating deliberation, the officer looking out at us like that. >> reporter: looks at the kwaerm, knows he's being recorded and doesn't seem to care. >> that's important. it was believed and said by many that now that we have the videos things would be different. so i think one of the reasons why the george floyd video set us off so much was the realizatioot different. we've seen the videos. and the videos seem not to make a difference, and that's why that officer could look like that. he wasn't afraid of being videotaped. he wasn't trying to hide what he was doing. >> reporter: what about the other officers? what is the