In a very different case in which Apple was fighting a law-enforcement agency that was trying to compel it to weaken security on its iPhones, the US Department of Justice is asking a higher court to reconsider a ruling in a Brooklyn case involving a methamphetamine dealer (who has already admitted guilt) that the All Writs Act -- also the center of the skirmish between Apple and the FBI in a California case -- cannot be used to force a third-party to weaken security on its product.