Mexican based author Ioan Grillo has worked as a crime journalist for more than 20 years in a country that is a true narco state.

Over two decades interviewing drug users, hitmen, cartel bosses and the politicians who take their money, Grillo has formed a unique view on the war on drugs and all the issues around it’s failings.

As a new edition of his book Blood Gun Money is published. Ioan is talking to Nicola and Niall Donald about fentanyl, a lethal iron river of firearms and a senior politician in the dock in a most unusual trial.

Crime World, with Nicola Tallant, is a weekly Iri…