An unusual alliance of international activist groups, Mexican prosecutors and a dog trained to sniff out memory devices joined forces this month to catch a high-profile suspected pedophile in Mexico City.
First, Free a Girl, a Netherlands-based group that fights human trafficking, tipped off activists at the U.S.-based Operation Underground Railroad that Jason Maatman, a Dutch man who openly advocated sex with children, had gone to Mexico after fleeing pending court cases in the Netherlands.
