work iing that angle to try to turn somebody's state evidence. you have to believe even though there has to be a lot of pressure to not turn on the brotherhood of the fellow police department, you never know in those moments what somebody is thinking. >> thank you very much. we'll be back at this tomorrow i'm sure. coming up next, back to our breaking news. chicago today, the police chief has been fired just a week after that dash cam video has been released showing a police officer shooting and killing 17-year-old la-quan mcdonald from last year. days before that shooting, another young black man was shot and killed by police in chicago. and the mother of that young man is is now fighting to get that dash cam video released. . she will join me live with her story, next.