John Mongrel| the rise and fall of Pollsmoor’s most vicious gang general.

From the violent rise of South Africa’s most feared gang boss known only as John Mongrel, to the paranoia, betrayal, and power plays that ultimately led to his downfall — this video dives deep into the true story of a man who ruled the prison underworld with absolute terror. We’ll break down: How he became one of the most dangerous gang leaders inside Pollsmoor Prison. The brutal methods he used to seize and control power. His role in shaping the feared Number Gangs system. The psychological warfare, manipulation, and violence that kept him untouchable for years. What finally caused his empire to collapse — and the shocking end to his reign. This is not a glorification — it’s a raw look at the cost of fear. #TrueCrime #SouthAfricanGangs #JohnMongrel #NumberGangs #PollsmoorPrison #PrisonDocumentary #GangsterHistory #SouthAfricaTrueCrime #UnderworldStories #RiseAndFall #CrimeDocumentary #GangCulture #SouthAfricanPrisons #UntoldStories #CrimeHistory #DarkSouthAfrica