The FBI is saying Apple should create a version of their firmware that only works on this specific device. I'm not sure if that's possible, though - if whatever

The FBI is saying Apple should create a version of their firmware that only works on this specific device. I'm not sure if that's possible, though - if whatever ID they're checking can be spoofed on another device, they'd have a backdoor for all devices. This is really more about the legal precedent.