When I Got Home, I Noticed A Tiny Coin Wedged In The Door Lock — My Heart Sank As I Realized What It Meant, And I Dialed The Police Without Hesitation.

At first, I brushed it off as a random prank or pure coincidence. But then a chill ran down my spine. What if it wasn’t?

I quickly pulled my hand away from the handle and followed my gut—I called the police. While I waited, I searched online… and what I found made my stomach drop.

It turns out this is an old trick used by burglars. They slip a coin—or even a thin piece of plastic—between the door and the frame near the lock. The idea is simple: if the coin falls out quickly, it means someone is home, opening and closing the door. But if it stays in place for days, they know the house is empty—and ready to be robbed.

It’s a subtle, almost invisible way to check if someone’s on vacation or away for business. And that’s how thieves pick their next target.

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