No, but I think most of those who make an habit of registering SIM cards on behalf of others will be known pretty fast. Once you know a SIM card is suspect, be

No, but I think most of those who make an habit of registering SIM cards on behalf of others will be known pretty fast. Once you know a SIM card is suspect, because it's been registered by a known addict and trafficker, you can put a wire on it even if you don't know who holds the phone. With this plus BTS-based geolocation, your chances of catching typical, opsec-illiterate criminals are vastly improved.