You don’t understand. The reason they go through the roll call of the various state and federal agencies involved in the investigation and take the time to give each of them kudos is because cooperation amongst those groups of people is CRUCIAL to future investigations.
Governors, attorney generals, sheriffs and other law enforcement personnel from OTHER STATES - red & blue - are watching how it’s all being played out. It is very smart to position it as a cooperative and coordinated effort between local, state, and federal authorities. Many of the people involved are politicians or they have political aspirations and to not acknowledge their help would definitely be counterproductive for future investigations.