I guess I was confused by "If you shut off your machine", which is not the same thing as locking it. If cold boot attacks only work against unlocked devices, t

I guess I was confused by "If you shut off your machine", which is not the same thing as locking it. If cold boot attacks only work against unlocked devices, that makes a lot of sense. But if they work against locked but powered devices, that would be quite possible for LE to exploit in most cases (just carry a battery pack).