For the ATF, Twin Peaks was a golden opportunity to gather video evidence on the outlaw biker gangs. Assume the entire restaurant was pre-wired for sound and video, plus u/c vehicles on the parking lot. Who is in charge? Who are the new shot-callers? Who is conspicuously absent? Who is moving up to positions of command? Sort of the LE version of “Kremlin watching.”
Aside from all of the video taken by the private Twin Peaks cameras, (and the other businesses all around the parking lot), you may rest assured that the ATF/Waco SWAT have every second of the mass-shooting recorded in telephoto high def. From several angles.
No way can they scrub this entire story and make it go away, even with arresting all 170 bikers on scene, taking their cameras/phones, and placing them under million dollar bails. (To be reduced to a thousand if they sign a no-lawsuit gag order agreement.)
The cover up will fail in the end. Too many cops have heard/seen the video and know what happened. At least one cop with a functioning conscience will blow the whistle, so to speak.