You might be more worried about gold or oil or copper, though. That's fine, it's your life. Just keep breathing.
Update: For those versed in the language, this El Pais report is worthy of your time (though it went to press before the latest murder over the weekend). It starts like this:
In the whole of World War 2 68 journalists were killed, in the Balkans war 36, while in the last decade in Mexico, a country officially in peace, more than 70 in the last decade. The list close, for the time being, with the four killed in Veracruz less than two weeks ago. continues here