Echoes of the Unknown

Echoes of the Unknown

The podcast where we explore some of the world’s most fascinating unsolved mysteries.

Episodes

March 3, 2026 15 mins

In today's episode, we’re traveling back to 1951, to a neighborhood park in Cleveland, Ohio. That's where ten-year-old Beverly Potts stepped into the warm glow of a community celebration and then vanished into the dark, leaving behind a silence that has never been filled. Her haunting disappearance is one of Ohio's most infamous missing person cases and one of the most heartbreaking mysteries in the history of Cleveland.

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In today's episode, we’re traveling back to 1997, when Amy Bechtel set out for a drive toward the Loop Road, a scenic stretch of Wyoming wilderness. She headed toward the Shoshone National Forest, a place she had explored many times before. Later that day, when her husband learned she never came home, a search began that would stretch across miles of rugged terrain — and eventually into decades of unanswered questions.

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In today's episode, we’re traveling back to the summer of 2000, when 16-year-old Molly Bish arrived at a quiet pond in rural Massachusetts, ready to begin another day as a lifeguard. Within minutes, she had vanished without a trace. Only her whistle, her sandals, and her towel were left behind. What should have been an ordinary morning turned into one of the largest and longest-running murder investigations in New England history.

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In today's episode, we're traveling back to 2017 to revisit the disappearance of a young woman named Ashley Loring HeavyRunner, a member of the Blackfeet Nation. She walked away from a gathering in a small Montana town and was never seen again. Her case is not just a mystery — it's a reflection of a larger crisis, one where too many Indigenous women vanish without answers, and too many families are left to search alone.

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In today's episode, we're delving into the 1989 abduction and murder of a young girl named Amy Mihaljevic. She left her middle school in Ohio, believing she was meeting someone she could trust. What followed is one of the most haunting unsolved crimes in American history. It's defined by the chilling realization that Amy was targeted, groomed, and ultimately betrayed by someone who knew exactly how to gain her confidence.

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In today's episode, we’re traveling back to 1990, when two men dressed as police officers were let into the Isabella Stewart Gardner Museum in Boston, Massachusetts. 81 minutes later, thirteen priceless works of art were gone — currently valued at over $500 million. No alarms sounded. No suspects were arrested. More than thirty years later, only the empty frames remain — silent witnesses to the greatest art heist in history.

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In today's episode, we're traveling back to 2004, when college student Maura Murray vanished from a quiet stretch of road in New Hampshire. Described as "the first crime mystery of the social media age," the case gained prominence due to extensive online amateur sleuthing and discussions on Facebook, which had launched just days earlier. It became a touchstone for how the internet shapes true crime narratives.

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January 13, 2026 20 mins

In today's episode, we're traveling back to 1977, when a radio telescope in Ohio captured a mysterious signal that has captivated astronomers and skywatchers for decades. Known as the Wow! Signal, it was a brief burst of radio waves from the cosmos that still remains unexplained to this day.

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In today's episode, we’re traveling back to 2003, when federal prosecutor Jonathan Luna left his Baltimore office one night. His body was found the next morning in Lancaster County, Pennsylvania. Investigators, coroners, and federal authorities have spent years examining his final journey, only to arrive at conflicting conclusions. His death is one of the most baffling cases in recent American true-crime history.

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In today's episode, we're traveling back to the year 2000 to delve into the tragic murder of a young woman named Erin Taylor. She was more than a name in a case file — she was someone who was deeply loved, and her absence left a space that cannot be filled. To this day, her death remains one of Marquette, Michigan’s most haunting mysteries — a wound that never fully healed and a story that refuses to fade with time.

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In today's episode, we're traveling back to 2006, when the body of Rey Rivera was found in a locked conference room of Baltimore's Belvedere Hotel. It apparently crashed through the roof from a height of 200 feet in a manner that baffled investigators. A cryptic note taped behind his computer, a panicked phone call, and a trail of unanswered questions turned his death into one of the most perplexing cases of the modern era.

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In today's episode, we’re traveling back to 1961, when a young mother named Joan Risch vanished without a trace from her Massachusetts home. The only clues left behind were a kitchen smeared with blood, a phone ripped from the wall, and a trail of contradictions that has led investigators down decades of dead ends. More than sixty years later, Joan’s case remains one of New England’s most haunting mysteries.

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In today's episode, we're looking back at the Hinterkaifeck murders of 1922. It's one of Germany's most disturbing unsolved crimes, where six people were brutally killed on an isolated Bavarian farmstead. The case is particularly chilling — not just for its violence, but for the eerie events that preceded and followed the murders.

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In today's episode, we’re looking back at the Carroll A. Deering mystery, which represents one of maritime history's most baffling disappearances. It centers on a massive American commercial schooner that was discovered abandoned off North Carolina's coast in 1921. What makes this a story about a "ghost ship" is that all members of the crew had somehow vanished without a trace.

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In today's episode, we’re traveling to Tokyo to delve into a crime known as the Setagaya Family Murder, one of Japan's most perplexing unsolved cases. What makes it stand out is that, instead of fleeing after committing a horrific mass murder, the killer remained in the victims' home for several hours, displaying behavior that can only be described as bizarre. More than two decades later, this case continues to haunt investigators.

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In today's episode, we're traveling back to 1981, outside the French town of Trans-en-Provence, where an unidentified flying object reportedly left physical evidence in the form of burnt residue — along with other physical traces — in a farmer's field. The incredible UFO event was later described in a Popular Mechanics article as "perhaps the most completely and carefully documented sighting of all time."

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In today's episode, we’re looking back at the tragic story of a 4-year-old boy — previously known as the "Boy in the Box" or "America's Unknown Child" — whose body was found in Philadelphia in 1957. His identity remained unknown for 65 years, until police detectives finally identified him through the use of DNA and genealogical databases. Despite multiple leads and several theories, the boy's killer still remains a mystery.

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In today's episode, we’re revisiting one of the most haunting maritime disappearances of modern times. It's the story of Amy Bradley, a 23-year-old woman who vanished in 1998 aboard a cruise ship in the Caribbean. After nearly three decades, far more questions than answers remain in this truly perplexing case.

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In today's episode, we're looking back at one of the strangest, most inexplicable events in television history. A moment when reality was hijacked — literally — and no one has ever figured out who did it or why. This is the story of the Max Headroom Signal Hijacking — one of the most famous, and certainly the most bizarre, TV broadcast intrusions that has ever taken place.

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In today's episode, we’re traveling back to 1986 in order to delve into the brutal murder of Cindy Blazek. She was a 23-year-old elementary school teacher who lived and worked on the Onion Lake Cree Nation reserve, which is a small First Nation community in Saskatchewan, Canada. Nearly four decades later, it remains one of the province's most haunting unsolved cases.

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