The Zetas have many sides, but how and why the gang settled in Monterrey explains a lot about who they are and how they operate.
The Mexican Navy reports there are 'strong indications' that marines killed Zetas top man Heriberto Lazcano. Could this mean the end for the Zetas, or trigger more violence?
The arrest of Jesus Enrique Rejon Aguilar follows a series of recent drug-war gains by Mexico's government.
A US federal agent for the Immigration and Customs Enforcement (ICE) Attache in Mexico City was shot and killed Tuesday, and another agent was wounded in an attack on their vehicle.
Antonio Ezequiel Cardenas Guillen, also known as 'Tony Tormenta,' the highest-profile leader of the powerful Gulf Cartel, was gunned down by Mexican government forces this weekend.
In a raid Wednesday, Mexico police shot Arturo Beltran Leyva, the "boss of bosses," the top drug lord in the country. Beltran is the highest ranking figure taken down since President Felipe Calderon took office in 2006.
Who are the most powerful cartels, what are the risks of using the military to confront them, and how much progress has Mexico made so far?