Although his whereabouts were unknown, the authorities thought that he was likely hiding in the "Golden Triangle" (Spanish: "Triángulo Dorado"), an area that encompasses parts of Sinaloa, Durango, and Chihuahua in the Sierra Madre region. The region is a major producer of marijuana and opium poppies in Mexico, and its remoteness from the urban areas makes it an attractive territory for the production of synthetic drugs in clandestine laboratories and for its mountains that offer potential hideouts. Guzmán reportedly commanded a sophisticated security circle of at least 300 informants and gunmen resembling the manpower equivalent to those of a head of state. His inner circle would help him move around through several isolated ranches in the mountainous area to avoid capture. He usually escaped from law enforcement using armored cars, aircraft, and all-terrain vehicles, and was known to employ sophisticated communications gadgetry and counterespionage practices. Since many of these locations in the Golden Triangle are only accessible via single-track dirt roads, local residents easily detected the arrival of law enforcement or any outsiders. Their distrust towards non-residents and their aversion towards the government, alongside a combination of bribery and intimidation, helped keep the locals loyal to Guzmán and the Sinaloa Cartel in the area. According to law enforcement intelligence, attempting to have launched an attack to capture Guzmán by air would have had similar results; his security circle would have warned him of the presence of an aircraft 10 minutes away from Guzmán's location, giving him ample time to escape the scene and avoid arrest. In addition, his gunmen reportedly carried surface-to-air missiles that may bring down aircraft in the area.