Tony Timpa was 32 years old when he died at the hands of the Dallas police in August 2016. He suffered from mental health difficulties and was unarmed. He wasn’t resisting arrest. He had called the cops from a parking lot while intoxicated because he thought he might be a danger to himself. By the time law enforcement arrived, he had already been handcuffed by the security guards of a store nearby. Even so, the police officers made him lie face down on the grass, and one of them pressed a knee into his back. He remained in this position for 13 minutes until he suffocated. During the harrowing recording of his final moments, he can be heard pleading for his life. A grand jury indictment of the officers involved was overturned.