How dysfunctional is the culture in the USA? Take a look at this video - it is on par with pretty much any abuses from regions where the monopoly on violence has been controlled by criminal gangs calling themselves 'government'. Any intelligent security force, recognising the nation's instability due to THEIR OWN criminality and violent tendencies, would de-escalate things - but not America... The inherently toxic culture which has been celebrated and normalised for generations just keeps on abusing people in the name of 'freedom'.
Only 'anarchy' has the answers here. 'Anarchy' ONLY means 'no rulers' and therefore 'no artificial hierarchies'. The US constitution makes allowance for violence to be used to repel tyrannical government and police - they seem to either not care or openly invite civil war. See Larken Rose's video "When should you shoot a cop" for powerful historic and practical insights on this potentially life saving topic: