Nation Prosecution witness against ‘El Chapo’ Guzmán admits to killings, lies December 4, 2018December 5, 2018 Kevin McCoy, USA TODAY Comments Off on Prosecution witness against ‘El Chapo’ Guzmán admits to killings, lies Juan Carlos Ramírez Abadía, a prosecution witness against accused Mexican drug lord "El Chapo" Guzmán, is linked to 150 murders.