A journalist says he was singed by a flash-bang fired by St. Louis County police trying to disperse a crowd, raising questions about how to use these military-style devices safely and appropriately.

During their time at college, the Department of Justice estimates one in five women will be sexually assaulted, and as many as 95 percent of the cases go unreported. So how are colleges failing to protect students from sexual assault? We sorted through the reporting to highlight a few cases that show the system’s greatest shortcomings.