Why are so many journalists being killed in Mexico?

Today in Focus - A podcast by The Guardian

The death of Mexican crime reporter Margarito Martinez shocked his friends and colleagues in Tijuana. Tom Phillips reports on how the Mexican president’s verbal attacks on the press are putting its country’s journalists at risk. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>