We are raiding the Audio Long Reads archives and bringing you some classic pieces from years past, with new introductions from the authors. This week: Using undercover agents, the DEA spent four years trying to bring down a cocaine trafficking gang in Liberia. Was the operation a triumph in the global war on drugs or a case of American overreach? By Yudhijit Bhattacharjee. Help support our independent journalism at
theguardian.com/longreadpod