The white police officer who slammed a black girl to the ground—and pulled his gun on another black teen—at a pool party in McKinney, Texas had been previously sued for excessive force and racial animus. Officer David Eric Casebolt was put on leave Monday following a video that came out Sunday showing him going after black teens. In 2008, a black man sued Casebolt and two other McKinney officers in federal civil court for violating his civil rights. Albert Earl Brown, Jr. alleged Casebolt "reached in my private area" and "also pulled my pants down below my ankles" to search him for drugs. Casebolt and the other officers allegedly shined a flashlight in Brown's anus after slamming his face repeatedly into the hood of the car. Brown alleged that Casebolt made disparaging remarks about "white girls" hanging out with a "dope dealer." Brown's complaint was dismissed by a judge in 2009.

— Justin Miller and Nina Strochlic