reporter: shawn hornbeck lost his childhood. held captive for 4 1/2 years. reporter: when devlin abducted another boy it was a critical break when police found both boys. hornbeck has launched a missing children foundation. see something, say something. this is jaycee dugard. reporter: kidnapped at age 11, held for 18 years. by philip garrido and his wife nancy in northern california. garrido fathered two children with his victim. dugard lived as a prisoner in plain sight until a local police officer s suspicions tracked her to a secret backyard compound. if you see something that looks wrong or amiss, speak out. it might be wrong. but you might save someone s life. reporter: dugard s mother told piers morgan joy and heartache follow a kidnapped child s return.
kidnapped by a stranger. reporter: shawn hornbeck lost his childhood. to kidnapper michael devlin in missouri. held captive for 4 1/2 years. reporter: when devlin abducted another boy it was a critical break as police tracked devlin to his apartment and found both boys. hornbeck has since launched his own missing children foundation. see something, say something. this is jaycee dugard. reporter: you know her by this picture, jaycie dug ard, kidnapped at age 11, held for 18 years. by philip garrido and his wife nancy in northern california. garrido fathered two children with his victim. dugard lived as a prisoner in plain sight until a local police officer s suspicions tracked her to a secret backyard compound. if you see something that looks wrong or amiss, speak out. it might be wrong. but you might save someone s life. reporter: dugard s mother told piers morgan joy and heartache follow a kidnapped