Corsica's bloody history stretches back to the 19th century when it was dominated by clans and rules of vendetta which compelled people to seek deadly revenge whenever a family honor was insulted. Between 1821 and 1852 there were 4300 murders perpetrated on the island. In the 1960s. The corsican mafia was a key part of the so called french connection, a processing chain that shipped industrial quantities of heroin to the US Marseille