In 2011, there were several ongoing situations of internal displacement in Mexico. Possibly the largest but least-acknowledged cause of displacement was violence by drug cartels, which increased after the government sought to quash the cartels by military means from 2007. This violence has displaced tens of thousands of people, mostly in the states of Chihuahua, Tamaulipas and Nuevo León on the northern border with the USA, and also in Durango, Guerrero, Sinaloa and Michoacán.
To read more, visit Internal Displacement Monitoring Centre
Also, visit InSight Crime