 Like the other members, he has a bomb planted on his brain; in case the Suicide Squad failed their mission or were captured, Waller would blow up the implants, killing them.During a mission to retrieve a retired American politician who had been kidnapped and taken to Europe to be tried for war crimes, Mad Dog is injured and asks Captain Boomerang to help him get on the escape vehicle.Boomerang betrays him by kicking him off the vehicle, allowing him to be captured.