Father-in-law of Sinaloa cartel leader Joaquin 'El Chapo' Guzman arrested

Last night, Mexican authorities captured the father-in-law of Joaquin "el Chapo" Guzman. If that name doesn't ring a bell, he's the head of the powerful Sinaloa Cartel.

In a week when President Obama is making a visit to Mexico, this comes as something of a victory. Joining us now from Mexico City is Ioan Grillo, reporter and author of "El Narco: Inside Mexico's Criminal Insurgency."