Serial Killers From Different Countries / Infographics by Nerd Robot

REFERENCES :
https://en.wikipedia.org/wiki/List_of...
https://en.wikipedia.org/wiki/List_of...
https://www.britannica.com/list/7-of-...
https://www.insider.com/serial-killer...

MUSIC :
"Ice Demon" by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...

Source: http://incompetech.com/music/royalty-...

Artist: http://incompetech.com/