Ioan Grillo is an investigative journalist covering organized crime and drugs in Latin America.
 
Grillo has been based in Mexico since 2000 working for media including Time Magazine, CNN, the Sunday Telegraph, Reuters, the Houston Chronicle, PBS NewsHour, the Associated Press, Al Jazeera English and many others. Grillo's first book El Narco: The Bloody Rise of Mexican Drug Cartels was a finalist at the Los Angeles Times Festival of Books, longlisted for the Orwell Prize and a BBC Radio 4 book of the week. 
Grillo specializes in covering Mexico's drug cartels, which have morphed from their origins as peasant smugglers to clandestine armies wielding Kalashnikovs, grenades and car bombs and left tens of thousands of corpses. He has also covered the other major issues of Latin America, including the government of Hugo Chavez, the earthquake in Haiti and coup in Honduras.