"We're getting a sense of the size of the vote-buying and the damage it caused," campaign coordinator Ricardo Monreal said.
Vazquez Mota also complained Thursday about pre-election polls that put Pena Nieto ahead by double digits, or about double his apparent victory margin. She said the erroneous polls "could only be interpreted as instruments of propaganda."
Associated Press writer E. Eduardo Castillo contributed to this report.
Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.