BEYOND UTTER SHOCK! The Adam Walsh murder and the CHILLING TRUTH left untold: Who was the real killer behind the tragedy that changed America forever?

A tragic event 45 years ago led to John Walsh hosting America’s Most Wanted.

In July 1981, John’s 6-year-old son Adam Walsh vanished from a Sears department store in Hollywood, Fla. Devastated, John and his wife Revé Walsh desperately searched for answers in their son’s disappearance.

Two weeks after Adam disappeared, the young boy’s severed head was found in a drainage ditch 120 miles away. “[Losing him] broke my heart; it almost killed me,” John told PEOPLE in 1996. “Believe me, you never get over it.”

The case, which wasn’t closed until 2008, haunted John and Revé, who harnessed their grief into action.

“The pain is a huge wound that scabs over, and certain things set it off: birthdays, memories, pictures. You’re not supposed to bury your children,” John previously told PEOPLE. “They’re your legacy. But I would never have accomplished the things I have, such as the Missing Children’s Act, which brings the FBI immediately into cases involving missing children, if it wasn’t for Adam and my love for him.”

John and Revé helped create the National Center for Missing & Exploited Children (NCMEC) in 1984, as well as the Code Adam program. The couple also spearheaded the Adam Walsh Child Protection and Safety Act, which was signed into law in 2006.

In 1988, John became the host and the face of the crime series America’s Most Wanted, which ran for 23 years on Fox and had a brief revival on Lifetime in 2012. The show was brought back in 2021, with Elizabeth Vargas hosting before John and his son Callahan Walsh took over as co-hosts in December 2023.

Here’s everything to know about Adam’s murder and how it inspired his dad, John, to advocate for missing children and host America’s Most Wanted.

What happened to John Walsh’s son Adam?

Adam Walsh.AP/REX/Shutterstock

On July 27, 1981, Adam, then 6 years old, went shopping with his mother, Revé, at a Sears department store in a Hollywood, Fla., mall near their home. Revé left Adam in the toy section with a group of boys playing a video game and went looking for a lamp, per the police report. When she returned, Adam had disappeared.

A store security guard allegedly ordered the group of boys to exit the store and mistakenly thought Adam was with them, so the Walshes believe he may have been outside when he was abducted, according to NCMEC.

After an in-store search and police investigation proved fruitless, a mutual friend helped John reach then-Good Morning America host David Hartman. The anchor then showed Adam’s photo on air.

Two weeks after Adam disappeared, John and Revé flew to New York to appear on the morning talk show. This was when they received horrifying news: Adam’s severed head was discovered in a canal in Vero Beach, Fla., about 120 miles north of the mall where the boy first went missing, reported Florida Today.

“I started screaming and trashed the hotel room. I didn’t believe that someone could 𝓀𝒾𝓁𝓁 this beautiful little boy,” John recalled to PEOPLE. “The most horrible thing was telling Revé. It was unbearable.”

Who killed Adam Walsh?

Ottis Elwood Toole in a photo from October 1983.

AP Photo

Convicted murderer Ottis Toole — the partner of one of history’s most prolific serial killers, Henry Lee Lucas — confessed to murdering Adam before later retracting his testimony.

According to the Sarasota Herald-Tribune, Toole said he abducted Adam and subsequently started hitting him when he wouldn’t stop talking. Days later, he denied his testimony, despite repeatedly insisting he killed Adam.

Toole had reportedly previously confessed to and then recanted his words about several crimes but both police and Adam’s parents consistently believed him to be Adam’s killer. In a taped interview with Texas Rangers, Toole said Adam was the youngest victim he ever had, per ABC News.

The Chicago Tribune reported that Toole died at 49 of liver failure at a Florida prison on Sept. 15, 1996, while serving life sentences for other crimes.

In December 2008, police closed the investigation and announced that they believed Toole was Adam’s killer, though he was never charged in the case.

“Who could take a 6-year-old and murder and decapitate him? Who?” John said during a news conference at the time, per NPR. “We needed to know. We needed to know. And today we know. The not knowing has been a torture, but that journey’s over.”

Still, some theories have emerged since: In March 2010, a report suggested that witnesses saw serial killer Jeffrey Dahmer with Adam on the day the boy went missing. While all of Dahmer’s confirmed slayings took place in or near Milwaukee, at the time of Adam’s abduction, Dahmer was living in Miami Beach, about 20 miles from the Hollywood, Fla., mall where Adam was last seen alive. The Miami Herald reported that Dahmer denied involvement in Adam’s killing.

Did police ever find Adam Walsh’s body?

Ottis Elwood Toole appears in court in Jacksonville, Fla., on Oct. 25, 1983.

AP Photo/Mark Foley

The rest of Adam’s remains still have not been recovered, according to The New York Times.

John told Nightline (via ABC News) that in 1988, Toole wrote him and Revé a letter asking for $5,000 in exchange for telling them where the rest of Adam’s remains were located.

The dad also claimed that the Hollywood, Fla., police department didn’t take the missing persons case seriously enough when Adam was abducted and mishandled the murder investigation, calling it “one nightmare after another.”

Given Toole’s confession, police planned to test his car and the blood-stained vehicle carpet, but they could never locate the items in their storage, per NBC News. When the case was officially closed in 2008, Hollywood Police Chief Chadwick Wagner apologized to John and Revé and acknowledged the pitfalls of the department’s investigation.

What is Code Adam?

John Walsh, the father of 6-year-old Adam Walsh, speaks with reporters at the police department in Hollywood, Fla., on Oct. 22, 1983.

AP Photo/Kathy Willens

Galvanized by the terrifying loss of their son, John and Revé helped create Code Adam, a free program to help businesses, parks, airports and other busy or public areas locate children who get lost or go missing on or from their grounds.

Code Adam began in Walmart locations in 1994, according to the Hawaii Attorney General’s website, and is now used in over 45,000 places, including establishments like Lowe’s and ShopRite, among many others.

It has been mandatory in federal office buildings since 2003.

“There are contingencies for protecting shoppers from fire and tornadoes, and now with ‘Code Adam,’ all retailers can fight an even more frightening problem — missing children,” John told The New York Times in October 2001.

The Walsh family has tirelessly fought for decades to advance the missing children’s movement. In addition to Code Adam, John and Revé helped create the NCMEC in 1984, which they are still very involved with, and spearheaded the passage of the Adam Walsh Child Protection and Safety Act by former President George W. Bush in 2006 on the 25th anniversary of Adam’s abduction and subsequent murder.

“The pain of losing Adam stays with us every day,” John said in 2021, per NCMEC. “But my wife Revé and I have made it our life mission to do what we can to help protect children.”