Question: Who was the Mexican medical doctor focused on, along with Tim "Nailer" Foley, in the 2015 American documentary film directed by Matthew Heineman about the Mexican Drug War?
Sentence (from "Mexican Drug War"): The Mexican Drug War (also known as the Mexican War on Drugs; Spanish: "guerra contra el narcotráfico en México" ) is the Mexican theater of the United States' War on Drugs, involving an ongoing low-intensity asymmetric war between the Mexican Government and various drug trafficking syndicates.
Relevant evidence: No