Investigators look at human remains placed in red evidence bags, dug from a clandestine grave site in Arbolillo, Veracruz state, Mexico, Friday, Sept. 7, 2018. One day after authorities in the Mexican state of Veracruz announced the discovery of at least 166 skulls in mass graves, journalists who arrived at the site Friday discovered it was the same location where authorities said they had found 47 bodies the previous year. (AP Photo/Felix Marquez), APTOPIX