Earlier quoted context omitted.
You should come to Mexico, it's like living in a (grim) movie universe.
but it isnt all of mexico right? (forgive me, I have read a lot of books + articles on this but this is my impression) the violence is more concentrated in areas like Sinaloa, Ciudad Juárez, Nuevo Laredo etc. I know there are multiple cartels but it is my understanding that a lot of the murders can be attributed to the war been Sinaloa and the Zetas up north ?
You'll be safe in Every Mexican city unless trying to get drugs in shady places... and this is a rule to follow Everywhere in the world.
As a fact, Mexico City is actually safer than Washington DC.