Having followed Mexico's cartels for years, border security expert Sylvia Longmire takes us deep into the heart of their world to witness a dangerous undergroun

One of the most surprising developments in Mexico's transition to democracy is the outbreak of criminal wars and large-scale criminal violence. Why did Mexican

Drug Wars and Covert Netherworlds describes the history of Mexican narco cartels and their regional and organizational trajectories and differences. Covering mo

State crackdowns on drug cartels often backfire, producing entrenched 'cartel-state conflict'; deterrence approaches have curbed violence but proven fragile. Th

In addition to cannabis being sanctioned for medical use throughout the state, and recreational cannabis (which will be legal in 2018 throughout California), th