"Investigative number 2021-I-0003-A, February 2021"--Report 1.
"Investigative number 2021-I-0003-B, March 2021"--Report 2.
"2021-I-0003-C, April 2021"--Report 3.
Reports 3- lack cover and title page.
Contents
Operational planning and intelligence -- Civil Disturbance Unit and Intelligence -- [Counter-surveillance and threat assessment operations] -- [Containment Emergency Response Team (CERT) and First Responders Unit (FRU) operations] -- [Command and Coordination Bureau (CCB)] -- [Hazardous Incident Response Division (HIRD) and Canine Unit (K-9 or Unit)].
Linking Entry
Reports 1-4 recommendations are Appendix A in Senate Committee on Homeland Security and Governmental Affairs. Examining the U.S. Capitol attack.
Note
Description based on online resource; title from report 1 PDF cover (CHA website, viewed Sept. 8, 2021).