Capitol Police Union Statement (they "knew" by January 4th) 

Catherine Herridge @CBS_Herridge

#CapitolRiot Capitol Police Union Statement “By January 4th, the Department knew that the January 6th event would not be like any of the previous protests held in 2020” + “the systemic failures of this Department cannot be addressed without new leadership”@CBSNews @krisvancleave

https://twitter.com/CBS_Herridge/status/1359525125838749698