The bombing (by helicopter) of the row house containing the bunker occupied by MOVE in Philly was unconscionable, with the resulting fire ending up killing 11 people and destroying 65 homes. The mayor ended up "apologizing" but no criminal charges were ever brought against any city agency. Some civil suits did go to jury and resulted in awards against the city for rights violations and use of excessive force by the police.
en.wikipedia.org
This is the kind of thing that lingers for generations in a neighborhood's memory, even when a nation forgets about it or gratefully shoves it under the rug after 15 minutes of notoriety.