https://www.youtube.com/watch?v=CR1Gu_7Po38Don't know if anyone's seen this but it's a public lecture given by Professor John Dickie in conjunction with the Criminology department at UCL (University College London) who have a significant level of academic expertise in the area of organised crime.
Well worth a watch if you've got a bit of time on your hands as it provides a fairly comprehensive contextual history of the origins and expansion, along with some interesting insights into the structural symbolism and rituals, of the Calabrian mafia.
