Gareth Evans, a creator of the hyperviolent AMC crime series, breaks down a battle from Sunday’s episode. “Every death should be a tragedy,” he said.Gareth Evans, a creator of the hyperviolent AMC crime series, breaks down a battle from Sunday’s episode. “Every death should be a tragedy,” he said.Read MoreTelevision, Evans, Gareth, AMC (TV Network), Gangs of London (TV Program)