According to Fr. Amorth, the infestation of animals is extremely rare, but possible. In his book, An Exorcist Tells His Story, he writes about an inexperienced exorcist who ordered a demon to enter a farmer’s family pig.

The line had a static noise and the sound cut in and out. I said, "This can't be you, mom. You're dead." She said, "Oh, come on now." She sounded a bit agitated, and then we were cut off.

They found that 24% of people in the United States believe that extraterrestrials have visited Earth.

If the alien theory is true, it solves one of cryptozoology's biggest unanswered questions: If Bigfoot is real, where are the bodies? Where are the animal carcasses left behind?