Alleged government agents who wear black suits and dark sunglasses.
Your prompt is MEN IN BLACK.
I’ve got a question?
You heard of the Men in Black?
ZAP! No you haven’t
The Men in Black supposedly intimidate, harass, mind wipe, or kill UFO/UAP witnesses.
One of the many ways the U.S. government violently suppresses dissent.
It happens sometimes
People just explode
Natural causes
=
[From "Repo Man" 1984]