Morales, or known as Z-40 took over the Zetas leadership in October, 2012, due to the death of Heriberto Lazcano. He was killed in a firefight with the Mexican Marines.
The Monterrey Casino attack- Zetas set a casino on fire and killed 52 people. San Fernando Massacre- Killed 72 migrants in fear they would be recruited by a rival gang. Also drug trafficking, human trafficking, kidnapping, and murder.