intelligence failures were at least partly to blame for why there's lack of preparedness on capitol hill. since then the department has taken steps to improve its internal communications and sharing information about the types of threats and security planning that is going on. here is what we know about the security preparations for that day. the capitol police are preparing for potential violent alter altercations, potential unrest. the crowd size could be in the hundreds. the temporary fencing around the capitol is expected to come back. we're looking out for that this week. of course, the national guard is always an option to be called. it's unclear if that will be necessary. and it's also going to be all hands on deck at the capitol police department. so, as one source described to me, they're essentially hoping for the best, but preparing for the worst. erica? >> all right, melanie zanona, appreciate it. thank you. jim? >> after an internal investigation into the january 6th attack, u.s. capitol police are now recommending disciplinary action in six cases against capitol police officers.