For nearly 100 years, mysterious figures known as the Men in Black have been said to harass UFO witnesses and paranormal investigators. They have unnatural skin, speak in a robotic tone, and exude a level of sinister otherworldliness that leaves experiencers terrified and paranoid.

We'll start with a little bit of history about Men in Black folklore, and then dive into some strange case files from the 50s, 60s, and 70s. Are these Men in Black real or imagined? Are they government agents? Or are they agents from some other alien authority?