according to a preliminary i understand denlt autopsy he suffered extensive bleeding caused by a severe beating. overnight the memphis police chief vowed absolute accountability for those held responsible. i m a mother. i m a caring human being who wants the best for all of us. this is not just a professional failing. this is a failing of basic humanity toward another individual. this incident was heinous, reckless and inhumane. all five of the officers involved in that incident have been fired. the nichols family now calling for them to be charged with murder. cnn s sara sidner is in memphis this morning with the very latest. when we hear from the family, it is absolutely sara. what do we know? the family has said we re going to get justice for tyre, if it s the last breath i breathe. that came from his mother. she talked about never having her son walk through the door again. she said he would always come in and say hello parents. she and his step dad, as you might