These are some of the key events in the painful history of police violence against the Black community in Philadelphia, a glimpse into the legacy of racially discriminatory law enforcement in this city.

In a 2019 investigative series, The Inquirer explored why Pennsylvania has one of the nation's highest rates of supervision, driven by unusual laws that leave judges unchecked. But many people fail, ending up in jail or in a cycle of ever more probation.

For two years, Inquirer reporters examined lead paint in old homes, contaminated soil in once-industrial neighborhoods, and unhealthy conditions in public schools that made children sick, impacting poor and minority communities the most.