I haven't seen the video but I've known about it. The US has some serial killers but the rest of the world has some that are unbelievably worse...
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
It was Ukraine. And yes, I have watched it. Take my advice. Don't.
https://en.wikipedia.org/wiki/Dnepropetrovsk_maniacs