13-year-old girl passenger’s suspicious behaviour compels cab driver to call the cops immediately

What’s Wrong?

 All the time that he was on his phone talking to his wife and narrating her the whole situation, he never stopped observing what that girl was doing. He knew that he was done with his professional duties but he had a moral obligation towards the safety of that girl. Meanwhile, Arora’s wife became equally nervous about that girl. There was something about this girl which was quite unsettling but no one could figure out what!