IMOO- the true issue is the alleged use of excessive force/deadly force in the arrest of an individual. The riots are a symptom of a racialism in many stratified urban areas where neighborhoods coalesce along cultural/racial lines.
In the publicized words of one of the protestors "I'm gonna go out and kill me some white cops as payback..." racialism/racism is not any less ugly when it is black to white rather than the perceived 'norm' of white to black, actually in my experience, the former is much more prevalent. And why is the much more violent Latino vs Black issue not often raised in the media? There is no play on racial guilt for slavery in this country... because the Spanish slave trade did not feed the New Orleans Markets, and The conquistadors did not import African slaves into their holdings in the New World... Oh! wait, they did, but the Spanish population of the US was not in charge of the government ... and there were no Black slave owners, or were there?
We cannot change history, we can change the present and the future, we should not forget history, but neither should we dwell on it, or live in it.
The aftermath of the riots to protest one man's death in custody was, again, IMOO, nothing more than a mob of bored rabble rousers looking for an excuse to create havoc and cause damage.
Did those riots change what had happened? No. Did those riots speed up the investigation of the incident? Unlikely. did those riots interrupt the social services, health services, public safety and welfare services that many in that community rely on to feed their kids? Absolutely.
The Baltimore community, refused to allow any of the parties involved to accept their responsibility for any part in the incident. Do I believe the 'victim' had a hand in the final outcome - to a degree, yes, had he not been a known felon, with warrants for his arrest, he would not have been in the position to be in the back of a police van that night. The community wholly absolved him of any culpability, and called him innocent. This is not in any way meant to relieve any responsibility from the officers involved, if the detainee were violent and resisting, Newton's 3rd law comes into play... but those same officers have the responsibility to deliver that detainee to the jail in the same shape they found him, or get him medical attention if that detainee is injured in any way prior to, during or after arrest.
Mob rule prevailed and logic failed in this incident... that's the shortest answer. It is not a conspiracy against the Black Community as a whole.