Present a streamlined case - and be accused of “withholding vital evidence”
Present mass quantities of relatively organized information - and be accused of manipulating presentation of evidence to bias the outcome.
Present unorganized info dump of all available info - and be accused of intentionally confusing jurors with invalid, unorganized information.
From the moment Brown died, there seemed to be a large segment of the black community, at least as they are featured on the nightly news, who demanded a summary execution and failing to get one has enraged them yet again. Now they want vengeance, again.
You hit the nail on the head. It isn’t about “justice”, it is about vengeance.