Premise: Rafael Cedeño Hernández is an imprisoned Mexican drug trafficker who was a high-level leader of La Familia Michoacana, a drug cartel based in the Mexican state of Michoacán. He was the successor of Alberto Espinoza Barrón, a drug trafficker who was arrested on 31 December 2008 by the Mexican authorities.
Hypothesis: Alberto Espinoza Barrón was arrested last year.