Noem: Suspected shooter at Dallas ICE facility died of self-inflicted gunshot wound

Rob Demo is a former FBI supervisor and MSNBC national security and intelligence analyst. Tom Manger is former US Capitol police chief and an MSNBC law enforcement analyst. And MSNBC's Rosa Flores is with me here in studio.She has been following all the details of this fast-moving investigation. Rob, I want to start with what we just saw. What do you make of these anti-ICE messages and does it help steer this investigation.Well, it it starts the investigation, but you have to let the facts go where they tak ...