Eleven bodies bearing evidence or torture were discovered in several areas near Mexico's resort city of Acapulco today, reported Reuters.
The Guerrero state prosecutor office's Ricardo Monreal told Reuters that the corpses were found in three separate locations along the Pacific coast but would not comment on those believed responsible.
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Mexico's VanGuardia said one body was wrapped in tape, another blindfolded with it, one corpse found tied with rope, and a fourth was found naked.
Reuters cited local media as saying two "narco messages" signed by the Knights Templar drug cartel had been discovered with the corpses.
Violence between rival drug cartels in Mexico has taken more than 50,000 lives in the last six years.