There were so many people in the airport, it was hard to find Jack among the people.

　　Suddenly, Mary saw Jack and she felt very happy then she shout:” Hi, Jack. Hi, Jack .Here, Here!”

　　At the same time, Jack waved his arms: ”I’m here!!” . Within 3 minutes, so many policemen came to the front of Jack and caught him: ”Please come with me to the police office.”

　　The word “Hijack” in the English has different meaning, you can find in the dictionary.