06/18/2026
A newly revived theory in the Idaho 4 case is capturing the attention of true crime enthusiasts and sparking fresh debate online. During a recent deep-dive discussion, content creator Pete from Murder Metal Mayhem revisited a little-known detail allegedly connected to surviving roommate Bethany Funke—a mysterious flash of light she reportedly described as resembling a “firework” beneath her bedroom door on the night of the murders.
Could this unusual flash have been a crucial clue hiding in plain sight? Some speculate it may have originated from an electrical device, while others believe it could have had a far more significant role in the tragic events that unfolded inside the King Road home. The detail has left many wondering why it received so little attention during the investigation.
The theory also raises new questions about the case timeline, the late-night phone calls made by Kaylee Goncalves and Madison Mogen, and the movements of individuals connected to that night. While no official evidence currently supports these claims, the unanswered questions continue to fuel intense discussion across the true crime community.
Years later, the Idaho 4 case remains one of the most talked-about criminal investigations in America. With every new theory, interest in the mystery only grows stronger. Was the mysterious flash an overlooked piece of the puzzle—or simply a misunderstood detail amplified by speculation?
What’s your take? Share your thoughts below and join the conversation.