Mexico mourns death of renowned journalist Javier Valdez

Javier Valdez, a veteran reporter who specialized in covering drug trafficking and organized crime, was slain Monday, May 15 2017, in the northern Mexico state of Sinaloa, the latest in a wave of journalist killings in one of the world's most dangerous countries for media workers.

Maria Herrera, a mother who became active in the search for Mexico's missing after four of her sons disappeared, weeps after speaking about murdered journalist Javier Valdez during a protest against the killing of reporters, in front of the Interior Ministry in Mexico City, Tuesday, May 16, 2017. 

Journalists hold up photos of colleague Javier Valdez and other slain journalists during a protest to call attention to the latest wave of killings of journalists, at the Angel of Independence in Mexico City, Tuesday, May 16, 2017.

Friends and relatives say their last goodbyes during the funeral mass of slain journalist Javier Valdez, in Culiacan Mexico, Tuesday, May 16 2017.

Friends and relatives say their last goodbyes during the funeral mass of slain journalist Javier Valdez, in Culiacan Mexico, Tuesday, May 16 2017.

A protestor holds a sign reading 'No more violence against journalists,' during a demonstration outside the Interior Ministry in Mexico City, Tuesday, May 16, 2017.

The hat of murdered journalist Javier Valdez lays on his forehead inside a funeral home before his wake begins in Culiacan, Mexico, Tuesday, May 16, 2017.

A woman lays a candle in front of pictures of murdered journalists taped to a fence surrounding the Interior Ministry in Mexico City, Tuesday, May 16, 2017.

In this photo released by Riodoce, journalist Javier Valdez poses for a photo an unknown location in Mexico.