Amber Hagerman's mother details her daughter's shocking murder and shares chilling documentary footage that captures the 9-year-old's final days. Amber's legacy is an alert system that has saved over 1,000 children.

"Amber: The Girl Behind The Alert" is the story of Amber Hagerman, the girl whose abduction and murder inspired the Amber Alert--which has since saved over 1,000 kids. Amber's case remains unsolved. There are multiple suspects, a series of compelling theories, but proof has been elusive... This year, the 25th anniversary of Amber's murder, the detectives are still on the case, determined to solve the crime with new evidence and cutting-edge DNA testing.—Peacock