This acclaimed and best-selling biography uncovers his meteoric rise from street mugger to the richest and most successful British criminal who has ver been caught. It relates how the Liverpool mafia became the UK's foremost drug importers; tells how Warren survived gang warfare and how he corrupted top-level police officers; unveils the inside story of the biggest and most successful British law enforcement operation ever undertaken; and reveals the explosive contents of the covert wiretaps that brought his global empire crashing down.

Thoroughly revised and updated, COCKY is a shocking insight into organized crime and an important investigation into a contemporary international drug baron.

'Compelling' - The Observer.

Shortlisted for the Macallan Gold Dagger for Crime Non-fiction.