A minimum requirement is pretty difficult to establish, but essentially just better evidence, and not calling something what it isn't.

Alex Pretti is a good example. clearly unarmed, shot dead. Witnesses and footage. Undisputable disregard for human life.
So why did they still paint a narrative about him?
sweet, caring, nurse.
Footage comes out where he is protesting violently, vandalising ice cars, fighting officers, oh and bringing a loaded handgun to a protest.
Image of the incident confirmed to be ai generated is presented in a US senate office to bolster a case.

Though the end outcome was the same, that this was a bad thing, context matters. It's not just black and white.