World's Most Dangerous Gang: Power of Fear

You've seen the graffiti, the tattoos, the headlines documenting their brutality. What is driving the rapid spread of the ultra-violent gang Mara Salvatrucha (MS-13)? National Geographic re-investigates MS-13, tracing the evolution and uncovering the truth about this notorious street gang. You've seen the graffiti, the tattoos, the headlines documenting their brutality. What is driving the rapid spread of the ultra-violent gang Mara Salvatrucha (MS-13)? National Geographic re-investigates MS-13, tracing the evolution and uncovering the truth about this notorious street gang.