Roxana Ruiz was sentenced to six years and two months in prison a week ago. The prosecution re-examined the case and decided to withdraw the charges.
The single mother from the southern state of Oaxaca spent nine months in pre-trial detention before being released for the duration of the trial. Women's rights groups have repeatedly accused Mexican authorities of revictimizing survivors and failing to judge cases from a gender perspective. The relatives of the slain man can still appeal.