In this Nov. 29, 2015 photo, a man claiming to be responsible for kidnapping, torture and killing on behalf of a drug cartel speaks to the Associated Press in Guerrero state's Costa Grande region, Mexico. The 29-year-old raises cattle for a living and doesn’t consider himself a drug trafficker or a professional killer, although he is paid for disappearing people. While he acknowledges that what he does is illegal, he says he is defending his people against the violence of other cartels. (AP Photo/Dario Lopez-Mills)

How the AP arranged to interview a killer

As part of a series looking at “The Other Disappeared” in Mexico, The Associated Press interviewed a man who has participated in disappearan…