When a body was found in a roadside ditch outside Mexico City, it seemed like just another murder – one of tens of thousands of violent killings in that country each year. But the victim was in fact the hard-working mother of two and the branch manager for Canadian-owned Scotiabank. The death of Maru Oropesa revealed the risks that Canadian banks and their employees face in one of the most corrupt countries in the world. From one murder in Mexico, the fifth estate’s Bob McKeown follows the money trail to secret accounts in Switzerland, and into the underworld of Mexican money laundering.