Notable cases she has investigated include crystal skulls alleged to have been of ancient Mesoamerican (usually Maya) origins, and a piece held by the Dumbarton Oaks Research Library and Collection purported to be an authentic pre-Columbian representation of an Aztec and central Mexican goddess, Tlazolteotl.
It is also a festival in the Aztec religion dedicated to Toci and Tlazolteotl and is also the month of cleaning or sweeping away.