MEXICO CITY, Nov 29 (Reuters) - When 27-year-old Ariadna Lopez was found dead beside a highway in the central Mexican state of Morelos in October, local investigators were fast to declare there were "no signs of violence."
Their version - that Lopez died of asphyxiation as a result of alcohol intoxication - quickly unraveled.
First, Lopez's family publicly decried the idea there was no crime committed, pointing to bruises on Ariadna's body.
Then a second autopsy conducted at the behest of officials in Mexico City, where she had visited a restaurant the . . .
