The corpses of a man (R) and a woman (L) hang from a pedestrian bridge in Nuevo Laredo, Tabasco state, Mexico on September 13, 2011, early morning. Two bodies appeared hanging from the bridge with messages (yellow sign on top) allegedly sent by the Zetas drug cartel to people who denounce violence in social networks. AFP PHOTO/ Raul LLAMAS (Photo credit should read RAUL LLAMAS/AFP/Getty Images)