@teancum144 - breaking down the door
And what if you have a windowless house built from concrete with a steel door they can't break down? What amount of resources will they invest in trying to saw through the concrete until they hit stainless steel rebar, then deciding it is easier to get a torch to cut through the hinges on the door and find the door is made with some special steel alloy they make bank vaults from that resists normal cutting torches?
As far as I know, it isn't illegal to make a really secure house that the police can't get into even with a legal warrant. Can they jail you if you refuse to let them in and they're unable to break down the door?