. >> reporter: the protests came after betty joe shelby was found not guilty of manslaughter. 2017, 1921. michelle brown says the same attitudes that led to the black wall street massacre linger in tulsa to this day. >> no one was ever held accountable for the hundreds of lives that were lost. >> reporter: do you think that this memory of the tulsa massacre also shaped the behavior of the police in tulsa in the generations afterwards? >> not as much as racism that continues to be pref leapt in our community. racism is something that is learned at a very young age and during the massacre there were white men who went and gathered their sons and brought them to fight alongside them. they gave them the right to carry a gun and to shoot an innocent black person without any fear of any type of consequences. >> my brother had struggles like millions of other americans. >> reporter: tiff any crutcher reporter:ere you e haaith in that justice system. >> reporter: the mayor announced he's proposing an independent monitor to review police actions. what is the thing you most wanted to change in the

crutcher, twin sier of terrence crutcher who was killed in tulsa, oklahoma, in 2016 by a of betty joe shelby. by the name terrence, they called him anytime big crutch." he was a gentle giant. he was just a beautiful, beautiful soul. ( sire ) service with my mom and dad, and 15 minutes later, he was dead.o, and his vehicle stalled in the middle of the road. from the testimony of betty shelby, sheaid she thought he was high, and that he may have been having a mental hea alth breakdow she wanted to help him. and then saw terrance not communicating, not looking well, and she callefor backup. next thing we know, if you look at the video, there's police officers fleeing in,there are helicopters loomin >> i think he may have just been tasered. >> shots fired! >> and then the video jst stops, and terrence is gone. and we found out that he was tased and shot simultaneously, and i know he ans unarmed. i know he didn't see the bullet coming. and the next thing that i remember and that i see evt ery nien i lay down is his bodyn the ground with bloodhe ever. >> what was your reaction to watching the deat