Question: who was gustavo pablo escobar?
Answer: Gustavo de Jesús Gaviria Rivero (25 December 1946 – 11 August 1990) was a Colombian drug trafficker. As Pablo Escobar's cousin and right-hand man, Gaviria controlled the Medellín cartel's finances and trade routes. He and Escobar had collaborated in their criminal careers since the early 1970s.