has changed over the past two decades land routes through Central America and Mexico Mexican DTOs dominate the trafficking routes began in the 1990s began in the 1990s Stratfor reports: greater control over the flow of weapons and narcotics land routes through Central America and Mexico remarkable rise in its importance remarkable rise in its importance Mexican DTOs dominate the trafficking routes land routes through Central America and Mexico began in the 1990s land routes through Central America and Mexico has changed over the past two decades land routes through Central America and Mexico has changed over the past two decades move their goods north Central America: An Emerging Role in the Drug Trade Central America: An Emerging Role in the Drug Trade Central America: An Emerging Role in the Drug Trade