There's an island near Beaufort, SC named Morgan Island that is full of these monkeys as part of a study.
As you approach by boat, you can see them moving around in the trees and as you get really close, they start losing their minds and beating the **** out of each other/throwing stuff.
There have been genetic tests with animals that are just beyond weird
Does anyone remember the London lab that got raided about 5-6 years ago?
There's a place in North Metro ATL where the CDC has animals in a fenced off compound just outside of a suburban neighborhood -- Lawrenceville area
Truth is stranger than fiction