What is the fine-grained topic of the following text: Prosecutors used all of this to trace Mr. Guzmán’s 30-year rise from a young, ambitious trafficker with a knack for speedy smuggling to a billionaire narco lord with an entourage of maids and secretaries, a portfolio of vacation homes — even a ranch with a personal zoo. Only return the topic.
Mr. Guzmán’s rise in the drug trafficking world.