'Permission to Kill': book highlights Mexican drug-war murders

The two journalists and a human rights specialist behind "Permission to Kill" investigated more than 1,800 killings under three presidents since 2006, including outgoing leftist Andres Manuel Lopez Obrador. The aim was to show the "systemic" nature of murders allegedly involving members of the security forces, said co-author Daniel Moreno, director of the news site Animal Politico. "It's not a collection of anecdotes," he told AFP. "There is a constant in these three governments of attacking the...