: The title directly references the official government theory that Colosio was killed by a single, unaffiliated individual (Mario Aburto), a claim the novel scrutinizes.
: The book helped establish "Northern" literature as a distinct force in Mexico, focusing on the borderlands and the specific violence found there. Cultural Impact Asesino Solitario
: It paved the way for other major works of narcoliteratura by proving that the drug war and political corruption could be serious literary subjects. : The title directly references the official government