CNN Wire Staff
(CNN) - The severed head of the lead Mexican investigator in the Falcon Lake case, Rolando Armando Flores Villegas, was delivered Tuesday in a suitcase to the Mexican military, Texas Rep. Aaron Pena told CNN.
But a spokesman for the attorney general of Tamaulipas state in Mexico said he had not heard the report.
"We have nothing official," said Ruben Dario-Rios, the spokesman. "We have not heard any report about one of our investigators being killed. We have over 1,000 investigators working for the state."
The report came a day after authorities in the Tamaulipas state attorney general's office gave conflicting information on whether authorities were pursuing a pair of suspects in the case of a U.S. citizen who disappeared during a sightseeing trip on the U.S.-Mexican border in South Texas.
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