Who are the real life hitman of the world?

From witness intimidation, to full on assassinations of political and criminal enemies, hitman have routinely been the go-to for getting a messy situation sorted out favorably. Hello and welcome to another episode of The Infographics Show- today we're taking a look at some of the world's most notorious real life hitman. Just who are these killers for hire? Today we'll take an educational look at the stories of these men.