You come home, reach for your key, and notice something unusual on your front-door lock.
A tiny spot of red wax is stuck near the keyhole.
You don’t remember putting it there.
At first, it might seem harmless. Maybe it’s candle wax, a prank, or something that accidentally got onto the door.
But then an unsettling question comes to mind:
Could someone have deliberately marked your home?
Stories online have claimed that burglars sometimes use wax, chalk, tape, or other small markings to communicate information about properties they’ve visited. However,
