Service dog suddenly started barking upon seeing a little girl with her parents — and then the police officer noticed something strange about the girl 

It was a completely ordinary day at the international airport. Passengers hurried between terminals, suitcases clattered on the tiles, some rushed to catch their flights, others had just arrived. Everything was proceeding as usual.

Security officer Alex was on duty at the screening area with his dog — a German Shepherd named Bim. Bim was an experienced service dog. After years of service, he knew the airport rules better than anyone.

Various people passed by: a tired businessman with a small suitcase, two chatty girls in tracksuits, an elderly couple. Bim paid no attention to any of them.

But when a young family approached — mother, father, and their about five-year-old daughter holding a large teddy bear — Bim suddenly tensed. He froze, pinned back his ears, then suddenly lunged forward and started barking loudly at the girl, circling around her and sniffing the teddy bear.

“What are you doing?!” shouted the mother, sharply shielding her daughter and pulling her close. “Get the dog away!”

Alex pulled the leash and gave a command, but Bim did not obey. He continued barking and growling, eyes fixed on the plush toy.

“Excuse me, ma’am,” said the officer, “but I am required to check you. It’s a standard procedure. Please come with me.”

The inspection yielded no results: the luggage was clean, documents in order, no traces of prohibited substances. But Bim kept barking fiercely, never taking his eyes off the toy.

“Buddy, everything’s clean here,” whispered Alex, bending down to the dog. “What’s bothering you?”

Bim barked, then pressed his nose again against the teddy bear.

“Can we go now?” asked the mother impatiently. “Our flight to Lisbon leaves in an hour.”

“Yes, ma’am, but please sign these documents,” said Alex, handing her a tablet with a waiver form for further inspection.

The woman took the tablet, and Alex noticed her hands were trembling.