Miguel Ángel Félix Gallardo, the founder and leader of the now defunct Guadalajara Cartel, the most powerful Mexican crime organization of the 1980s, has died at the age of 80.
The powerful drug lord who was arrested by the Mexican Federal Police with the help of the US DEA in 1989 was sentenced to 40 years in prison and died in a hospital in Guadalajara following the deterioration of his health.