Unlike many academic tomes, Jennifer Cobbina's book doesn't presume prior knowledge; it establishes historical and cultural context for the distrust many African Americans feel toward law enforcement.
The Baltimore Police Department said it suspended the unnamed officer within hours of Saturday's incident, and that late Sunday the police commissioner accepted had accepted the officer's resignation.
Riots in Baltimore broke out days after Martin Luther King Jr.'s murder. Segregation and economic tensions led to civil unrest. Those issues were still present in 2015 after the death of Freddie Gray.
After unrest in Baltimore two years ago brought national attention and some help to the city's problems, activists say young people in the city's poorest neighborhoods still need more help.
"I don't know people who weren't aware of the stats that were just published. ... We already know the score," says D. Watkins, an author and journalist who grew up in the city.
The report finds that Baltimore Police disproportionately targeted African Americans for stops and arrests and police retaliated against citizens for exercising their right to free speech.
The Baltimore state's attorney has dropped all remaining charges related to the death of Freddie Gray, but she says she stands by the legitimacy of the criminal charges.
After four trials ended without convictions, prosecutors announced Wednesday that they were dropping all remaining charges. Gray died in 2015 after injuries sustained while in police custody.