Ask for the name of an American science fiction movie.

Black Super SWAT Team 1/ Men in Black 1

Starring: tommy lee jones will smith

The story takes place in the future. Due to the constant war in outer space, a large number of aliens came to the earth to take refuge. In this case, the US Immigration Planning Bureau has specially set up six absolutely confidential offices to take charge of the placement of foreigners. People who work here are all wearing black suits and sunglasses, collectively referred to as "men in black". K is an experienced "man in black". At the beginning of the film, he received a tip and rushed to the border. In the middle of the desert, he stopped a passing truck. K can easily distinguish which aliens in the car are humanoid and which are earthlings whose souls have been manipulated by aliens. He used a special flashlight to illuminate the heads of people on earth and erase their memories of encountering aliens in their brains. Then he took all the aliens to the headquarters. According to the instructions of the Immigration Planning Bureau, these aliens can stay on the earth, but they must appear in the shape of animals on the earth to avoid causing large-scale panic. At the same time, a young new york policeman is chasing a criminal and then discovers that he is an alien. Then I met K and worked in six places. After experiencing distrust and trust, he became a qualified black policeman, but K retired at the end of the film on the grounds of age.