From the story of the GP, and extending your analogy, this is more like if they walked into the house and found the safe and noted it was locked, so looked up t

From the story of the GP, and extending your analogy, this is more like if they walked into the house and found the safe and noted it was locked, so looked up the safe schematics online. Not exactly legal. But even stepping back, I suspect walking around and jiggling random peoples’ doorknobs to see if they’re unlocked is probably illegal.