Men in Black (1997)

While chasing down a criminal, NYPD James Edwards, realizes the guy is not really just a guy. He is taken out by Agent K and told to show up for a test the next day. When he arrives, he is there among many men from all branches of the military. He is quick witted in all the test and when confronted with the shooting range, is the only one to correctly identify the target. He is taken under the wing of Agent K, one of the best agents of the Men in Black. Meanwhile a bug has landed and taken the body of a human man, he hijacks a exterminator truck and heads off to find a universee. He kills the two ambassadors protecting it and steals diamonds instead of the universee. The bodies go to the morgue where Dr. Laurel Weaver, discovers that they are not aliens. After much chasing around, they find the universe around the collar of one of the ambassador's cat, Orion. The bug steals it and tries to escape, J, K and Dr. L all destroy the alien and save the universee. Laurel becomes J's new partner when K retires and neuralyzes himself so he can live with his wife.