The heads, all belonged to males, the Tlaxcala State Attorney General's Office announced as police hunt their killer.

The State Attorney General’s Office will continue the relevant investigations to clarify what happened and hold accountable whoever is found responsible,” the prosecutor’s

Drivers allegedly discovered six severed heads Tuesday along a road linking the Puebla and Tlaxcala states of Mexico, prosecutors said. Prosecutors confirmed the heads belonged to men and announced an investigation into the crime,