Guzmán, who has an estimated personal fortune of more than $1 billion and had been on the run since he escaped from maximum security prison in July last year, was detained in a military raid in his native Sinaloa on Friday.
In a lengthy article published in Rolling Stone magazine today, Penn detailed his meetings with Guzmán in October in an undisclosed region of Mexico.
Mexican officials have since revealed the meetings directly assisted in Guzmán's capture.
US actor Sean Penn interviews Mexican drug lord Joaquin 'El Chapo' Guzman - 9news.com.au
here ya go:
El Chapo Speaks | Rolling Stone