The global war on drugs has cost billions and taken countless lives -- but achieved little. The scant results finally have politicians and experts joining calls for legalization. Following the journey of cocaine from a farm in Colombia to a user in Berlin sheds light on why.
"Pablo Escobar said to me: 'One shot to the head isn't enough. It has to be two shots, just above the eyes.'
Jhon Velásquez, nicknamed "Popeye," is sitting on a white plastic chair in the prison yard. "You can survive one shot, but never two. I cut up the bodies and threw them in the river. Or I just left them there. I often drove through Medellín, where I kidnapped and raped women. Then I shot them and threw them in the trash."