Newly released video from the night of Trayvon Martin’s shooting is further undermining the claims of Martin’s shooter, George Zimmerman, that he acted in self-defense. Surveillance video at the police station where Zimmerman was briefly detained after the killing shows Zimmerman had no blood or bruises on his body. Zimmerman has maintained he shot Martin after Martin punched him in the nose, knocked him to the ground, and slammed his head into the pavement.