According to Consuelo Ordóñez, the objective is to “draw society’s attention” to the cases that have not been solved.

http://www.youtube.com/watch?v=gi6rtUPI3ZA&list=UUjk0j9nBcgedhJVZepqsKHg&index=2&feature=plcp

http://www.youtube.com/watch?v=PIt6TyROkw4&feature=BFa&list=UUjk0j9nBcgedhJVZepqsKHg