this detail in the raw and question it closely and it really says this was happening back in november, the first cases not in december. so many more questions to be answered, brianna. >> i will say that was a good explainer yet i have more questions when we began. researchers need to look into this. >> i need a white board. >> it was great. thank you so much. it's really many things that investigators need to answer for here. nick paton walsh, appreciate it. it has been now, can you believe this, one year since the murder of george floyd. today president biden is welcoming the floyd family to the white house. so what will they say? what will their message be? we're going to ask floyd's brother when he joins us live. >> signs of progress and police reform talks. what top senators are saying about the george floyd bill. that's next.