Mahmoud Fazal tells his experience as a first generation Australian growing up to be courted to join the bikie underworld when OZ motorcycle gangs were “patching over” migrant street gangs to gain manpower, thus becoming largely multiracial:

https://medium.com/the-walkley-magazine/inside-outsider-fa3262b972a

A book is set to be published by Harper&Collins in the near future, titled “No Gangsters in Paradise” The audio book is available. Check him on Twitter.

More about him over at VICE — he writes about criminal subcultures in Australia, Japan, S. America
https://www.vice.com/en_asia/contributor/mahmood-fazal