Roberto de Jesus Escobar Gaviria, once a key figure in the Medellín Cartel, has advised 'Narcos' producers to bolster security, suggesting even cartel-affiliated professionals. His comments follow the tragic killing of a location scout in Mexico, though his longstanding feud with the Netflix series casts doubt on his motives. Gaviria, now involved with Escobar Inc., alleges defamation...