This is the Guardian.

Today, when some Mexican journalists go out to report,

they take photos of their clothes,

just in case their bodies need to be identified later.

Why reporting in the country has become so dangerous?

Before we start, a heads up.

This episode contains strong language and violence.

A couple of years ago, we did an episode on the epidemic of crime

in the Mexican city of Tijuana by some measures,

the most dangerous city in the world.

Our Latin American correspondent, Tom Phillips,

wasn't the only journalist covering it.

I remember one night we'd been waiting for him,

I was sitting around waiting to recall at the Red Cross headquarters.

I spent out of there in a four by four

racing through dark streets,

through tougher lines,

really pretty scary stuff to get to the sea.

And then finally we arrived.

There'd been a shooting at a petrol station.

One guy was being rushed into an ambulance.

There was another guy I think you seemed already to be dead.

...