2 Bodies in Mexico Seen as Warning to Social Media Placards near bodies warn not to post online about drug cartels By John Johnson, Newser Staff Posted Sep 14, 2011 2:48 PM CDT 8 comments Comments Mexican soldiers march after the incineration of seized marijuana in Monterrey, Mexico. (Getty Images) (Newser) – A gruesome find on a bridge in Mexico is being interpreted as a warning to those to speak out against drug cartels on the Internet, reports CNN. Police found the brutalized bodies of a young man and woman hanging from a bridge, next to posters calling out two blogs that report drug violence. "This is going to happen to all of those posting funny things on the internet," said one message. "You better (expletive) pay attention. I'm about to get you." Online social networks have become a vital source of information about drug cartels, because many traditional outlets have been silenced by threats and violence, writes Mariano Castillo. This appears to be the first attack to target such networks directly. The murders occurred in the border town of Nuevo Laredo, and the warnings were signed "Z," which likely refers to the local Zetas cartel.