I'm not so sure most of us can add much of anything useful. Liberals will likely think the Justice Department is not going far enough, conservatives will likely think Justice is overreaching by far. For example, Mayor DeBlasio and former Mayor Giuliani of NYC would likely see the situation, whatever it is, vastly differently.
If most of the Ferguson establishment is Democrat, residents should think about changing that via elections if they don't like the outcomes so far. Of one thing you can be sure: the establishment, those in power, regardless of party affiliation have secured for themselves nice lives. Why would those in power change that just for the benefit of voters if the voters don't exercise their rights at the ballot box?
For comparison, look at the Republican establishment, currently scared to death about Trump. Consultants, media types, strategists, party leaders,the 'power brokers' are all at risk since Trump has not only not paid any of them, even worse, he is so far out polling all the 'best and brightest'.
Public service has become a grab bag of goodies and about all we peons can do is follow the money trail to see whose stealing the most.