Book excerpt: Gang Wars of London charts the development of organised crime in the capital since 1945, from the post-war street gangs to the drug barons, cyber criminals and terrorists that threaten our safety today.The underworld has thrived for more than half a century but it appears the capital has now entered its most deadly phrase, as vicious gangs from all over the globe are making this city their home. They will do anything to get what they want and challenge anyone who gets in their way: police, civilians or each other.Here, for the first time, is an up-to-date and in-depth account of London's current crime epidemic that threatens to destroy the very fabric of our capital city.