The disappearance of Adam Walsh is one of the most infamous and haunting cases in American true crime history. On July 27, 1981, Adam, who was just six years old at the time, was shopping with his mother, Revé, at the Hollywood Mall in Hollywood, Florida. While his mother was browsing in a department store, Adam wandered off to the mall's video game arcade. When Revé went to look for Adam, he was nowhere to be found. A massive search effort was launched, with police and volunteers scouring the mall and surrounding areas, but there was no sign of Adam. It wasn't until 16 days later, on August 10, 1981, that Adam's head was found in a canal in Vero Beach, Florida, over 100 miles away from the mall where he was last seen. The rest of his body was never found. The investigation into Adam's murder was one of the largest and most extensive in Florida history, with hundreds of leads and tips being followed up on. However, despite the best efforts of the police, the killer was never caught. The case led to significant changes in the way missing children cases are handled in the United States, including the creation of the National Center for Missing and Exploited Children, which was founded by John Walsh in 1984. The Adam Walsh case also led to the implementation of the AMBER Alert system, which is used to quickly disseminate information about missing children to the public. In 2006, police announced that they had identified a suspect in the case, Ottis Toole, a serial killer who had confessed to the crime. However, Toole died in prison in 1996, and the case remains officially unsolved.