Earlier this month, Yasmín Esquivel Mossa, a justice on Mexico's Supreme Court, announced she was putting herself in the running to become the first woman to lead the court in its 198-year history.
Now her bid may be in jeopardy.
Last week a faculty member at Esquivel's alma mater accused her of plagiarizing her 1987 undergraduate thesis, which she had to complete to receive her law degree.
