The Knight Center for Journalism in the Americas is tracking incidents of violence against journalists working in Mexico using Google Maps.
The map identifies direct attacks on media and journalists during 2010, demonstrating the wave of violence that has shaken the Mexican press. Many of these attacks are linked to organised crime and the majority of these cases still remain unpunished.
Last month Mexican newspaper El Diario published an open letter to drug cartels operating in the country pleading with them to end violence against journalists.
Click on the pins to show more information.
View Knight Center map of threats against journalism in Mexico in a larger map