Drug kingpin Joaquin “El Chapo” Guzman, Medellin cartel leader Pablo Escobar, and queen of the Miami drug scene Griselda Blanco are among the list of history’s most vicious gangsters, relentless drug barons and ruthless arms dealers. Behind each merciless outlaw’s story are the dedicated special agents and fearless law enforcement officials tasked with capturing these most wanted bandits, dead or alive.