>> rosa, thank you so much. let's break this down with what's happening in the case. cnn legal analyst joey jackson here. these are obviously serious allegations. sigh awe y i saw you shaking your head watching the piece. what stands out to you in this case? >> this is very significant. you look at a police department and want to have trust and ensure they're engaging in things for the public's good. you have allegations like this, first, you look at a video and we see what occurred and you have officers writing something to the con contrary in terms of having laquan mcdonald lunge at van dyke, we don't see that. he's wielding a knife, so says the officers at van dyke, and we don't see that, and then you don't only have police officers writing to the contrary what the video shows, now you have the added allegation that they were intimidating witnesses to cover it up, and so this makes it, you know -- this really blows the lid off of things, if true in