15-year-old Abigail Hernandez was last seen walking home from school on October 9 . Officials fear she may be held against her will . The search for the missing girl has been called off after a judge ruled that Hernandez's family could not sue over their daughter's disappearance. ` We believe in fact that it was written by Abby , '' says a New Hampshire official .
15-year-old Abigail Hernandez was last seen walking home from school on October 9 . Officials fear she may be held against her will . Authorities said Friday a letter to her mother purportedly from the girl appears genuine . `` We believe in fact that it was written by Abby , '' says a New Hampshire official .