And the security came in, and calmed me down. they brought a doctor. i said i have to do the toughest thing i have ever had to do. i got to call my wife. >> reporter: adam's body wasn't found, neither was his killer. >> everything was falling apart, couldn't work, lost 20 pounds. >> reporter: walsh went to speak with the medical examiner to make sure he didn't die in vein. he said the best advice. he started adam walsh child resource center that merged with the national center for missing and exploited children and in 1988 he started his own television show, "america's most wanted." the show p...