The neuralizer gave the Men In Black the convenient ability to make anyone forget what they had just seen, and replace that memory with a made up version of events of their choosing. This would work magic following any awkward social scenarios."I did not trip and bust my ass on the sidewalk. I was injured heroically stopping a dangerous mugger... who weighed 300 lbs and was carrying a gun... and insulted the honor of an innocent woman." Hey, we're good at this!
#3. The Neuralizer
As Seen In: Men in Black (1997)