Yes i have heard that police raids miners house in russia, but i really cant understand why and what problem they have...
Maybe the governments are opposed to bitcoin, because they cant control it, but i think nothing can stop bitcoin and privacy
Generally high electrical usage is equated to marijuana growing operations. So while the high usage may get their attention, once they go through the process of getting a search warrant, they may try to find another reason to bust you even if extremely petty.