re-freeze black lives matter and the black lives matter nightk goes back to the that george zimmermannerated after killing trayvon martin. it again with a facebook rant or a love letter to black people as she put it to me. it tried to push back on some of the kind of conversations she sawpeople having that she as too much, either responding to george zimmerman being responded by saying of course this happened or by responding by saying well if black people just behaved differently, they wouldn't be subject to this kind of violence. that letter turned into a hash tag. she put it out and encouraged people to start organizing around it, to use it in their only and to connect it not to police violence but to a broader set of issues around systemic and structural racial inequality in the united states. >> as she points out, racism is a very nuanced people in our society that she said even great people can perpetuate in the system that institutionalizes racism. what are they asking for? >> they are pushing for changes in a range of policies in the justice.and criminal one of the parts of ou