Echoes of the Unknown

Echoes of the Unknown

A podcast where we’ll be exploring some of the world’s most fascinating unsolved mysteries.

Episodes

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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In today's episode, we’re traveling back to 2008, where we'll revisit the disappearance of college student Brandon Swanson. It remains one of Minnesota's most perplexing missing persons cases. Brandon vanished during a phone call with his parents, leaving investigators and family members with more questions than answers. The case has become notable not just for its baffling nature, but also for the legislation it would later inspir...

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In today's episode, we're traveling to the heart of America's Dairyland, where a quiet road in rural Wisconsin has become infamous for sightings, stretching back decades, of a strange creature known as the Beast of Bray Road. The entity has become one of America's most enduring cryptid stories, and dozens of eyewitness accounts have spawned regional folklore that persists to this day.

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In today's episode, we'll be digging into the tragic disappearance in 2001 of 15-year-old Erin Pospisil — one of Iowa's most haunting unsolved cases. When she vanished one summer night, she left behind a devastated family, and a community searching for answers that remain elusive to this day. It's a truly perplexing mystery that has endured for more than two decades.

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September 23, 2025 12 mins

In today's episode, we’re looking back at the chilling case of the Ardenwald Axe Murders, a brutal crime that shook the small, tight-knit community of Ardenwald, Oregon in 1911. It stands as one of the state's most horrific and perplexing unsolved crimes.

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In today's episode, we'll be getting a taste of the world's sweetest diamond heist. It was carried out in 2007 by a trusted customer at a bank in Antwerp's Diamond District, who had become friendly with the bank staff by bringing them weekly gifts of Belgian chocolates. One day, he calmly walked into a sophisticated, high-security bank vault, and walked out with $28 million worth of diamonds.

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In today's episode, we’re delving into one of the earliest and most enduring missing persons cases in American history — the baffling disappearance of Judge Joseph Force Crater. The New York Supreme Court judge hailed a cab in the heart of Manhattan … and vanished without a trace. It's a tale so entwined with corruption, secrets and high society that it still fuels speculation nearly a century later. The dis...

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September 3, 2025 18 mins

In today's episode, we’re traveling back to the spring of 1981, where Keddie, California became the site of one of America's most disturbing, unsolved mass murders. The brutal slaughter of four people at the Keddie Resort has haunted investigators and true crime enthusiasts for decades. This tragic case was indelibly marked by investigative failures, compromised or destroyed evidence, and persistent question...

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