Irma Monreal, photographed in her home August 20, 2006, in C

Irma Monreal, photographed in her home August 20, 2006, in Ciudad Juarez, Mexico, is hopeful US involvement will bring her daughter's killers to justice. Esmeralda Herrera Monreal was just 15 when she disappeared on October 29, 2001. A week later, hers was the first body of at eight to be found in the cotton field. The perpetrators had raped her and cut off her face off before dumping her body. (Photo by Christ Chavez/MCT/Tribune News Service via Getty Images)