The right hand man of the Canadian drug lord's, whose death in September 2011 led infighting in the Gulf Cartel, was born on 1 August 1971.
 Upon his arrest, Flores Borrego became the right-hand man of Jorge Eduardo Costilla Snchez, the former leader of the criminal organization. 
Jorge Eduardo Costilla Snchez (born 1 August 1971), is a former Mexican drug lord and top leader of the criminal drug trafficking organization known as the Gulf Cartel. 
The infighting in the Gulf Cartel refers to a series of confrontations between the Metros and the Rojos, two factions within Gulf Cartel that engaged in a power struggle directly after the death of the drug lord Samuel Flores Borrego in September 2011. 
