Halloween night should be filled with treats, costumes, and childhood memories - but for 8 year old Timothy O'Bryan, it ended in tragedy.

In this chilling episode, we uncover the disturbing case of Ronald Clark O'Bryan, the father who become known as "The Candy Man" after his son was poisoned by cyanide-laced Halloween candy.

Explore the investigation, the shocking evidence, the trial, and the crime that helped fuel America's fear of Halloween candy tampering.

References:

- O'bryan v. Estelle, 714 F.2d 365 (5th Cir. 1983)

- The Washington Post - "Son Slayer in Texas Loses Supreme Court Appeals, Is Executed"

- A&E True Crime - "The Haunting Legacy of Ronald Clark O'Bryan, the Man Who Killed Halloween"

- The Portal to Texas History - Contemporary newspaper coverage

- Research by sociologist Joel Best on Halloween candy myths

What if a man accused of murdering his entire family could simply vanish without a trace? In April 2001, Robert William Fisher disappeared after his wife, Mary, and their two children were found dead following a devastating explosion at their Arizona home.

Investigators believed Fisher was responsible, but before he could be brough to justice, he vanished.

Despite decades of searching, reported sightings, and an ongoing mystery, his whereabout remain unknown. Did he escape and start a new life, or is the truth about his disappearance far darker than anyone imagined? Today, we're exploring the chilling disappearance of Robert William Fisher.

A four-year old boy leaves home for summer camp...but never makes it there.

When Derrick Robie's body is discovered in the woods, an entire community is left searching for answers. But the truth behind his murder is far more shocking than anyone could have imagined.

The person responsible was only 13 years old - and he knew Derrick.

Join me as we uncover the heartbreaking story of Derrick Robie, the investigation that followed, and the questions that still surround this devastating case.

References:

-CBS News / 48 hours - "Eric Smith was 13 when he murdered a child. Now hes back in the headlines"

- CBS News / 48 hours - "Eric Smith release from prison after 28 years a 'huge gamble' says prosecutor"

- Los Angeles Times - "News Article: Boys death devastates town, but memories of his life sustain it."

- Lost Angeles Times - "News Article: Boy 14, sentenced to 9 years in prison for killing child."

-Associated Press/Fox 5 New York - "TV, man who killed 4 year old at 13 granted parole."

- Spectrum News - "Steuben County child killer, Eric Smith, to be released from prison after 28 year sentence."

- WHEC - "Copy of parole transcript for soon-to-be-released child killer Eric Smith, details crime, post-release plans."

- WNY/News Now - "Eric Smith Released from prison"

- Podcast - "Great Lakes True Crime - Episode 39: Derrick Robie"