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

June 3, 2025 12 mins

In today's episode, we’re revisiting one of Canada’s most heartbreaking and perplexing cold cases — the disappearance and presumed abduction of four-year-old Michael Dunahee. The young boy vanished without a trace from a playground in broad daylight, while his parents were just feet away. Michael's disappearance stands as one of Canada's most haunting unsolved mysteries.

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In today's episode, we’ll be traveling back more than three decades to revisit one of Austin's most heinous crimes. The 1991 Yogurt Shop Murders has long been seared into the city's collective memory. The deaths of four teenage girls had ripple effects on a tight-knit community that previously had been comfortable leaving their front doors unlocked. This mass murder stands as one of Texas's most haunting unsolved criminal cases.

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In today's episode, we’re diving into a chilling case that left an entire town on edge and continues to puzzle investigators 30 years later: the disappearance of Iowa news anchor Jodi Huisentruit. This is a story about ambition, community, fear — and a terrifying question: how could someone vanish without a trace, just steps from their own front door?

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In today's episode, we're setting sail for a place known as one of the loneliest places on Earth: a rocky island off the coast of Scotland, where three lighthouse keepers vanished without a trace. This story stands as one of Scotland's most enduring maritime enigmas, leaving behind questions and unsettling clues that continue to perplex investigators and historians to this day.

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In today's episode, we’re delving into one of Canada’s most perplexing and haunting cases: the bizarre death of Cindy James. On a warm June day in 1989, the 44-year-old nurse was found dead under circumstances so strange they seemed straight out of a psychological thriller. Her death was the culmination of a long saga of alleged stalking, harassment, and terror that continues to baffle investigators and true-crime enthusiasts alike...

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In today's episode, we’re diving deep into the mysterious disappearance in 2006 of Brian Shaffer, a 27-year-old medical student at Ohio State University who seemingly vanished into thin air. This case has haunted Columbus, Ohio, for nearly two decades, and it stands today as one of true crime's most baffling mysteries. The case has particularly captivated public interest because of its seemingly impossible nature - someone walking ...

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April 22, 2025 12 mins

In today's episode, we’ll be looking back at a grisly double murder that occurred in Texas one sweltering summer day in 1965. A gruesome discovery in a quiet Houston home sent shockwaves throughout the city. The Icebox Murders stands as one of Houston's most disturbing unsolved cases, featuring a truly grotesque crime scene and a mysterious suspect who seemed to vanish into thin air.

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In today's episode, we’re investigating one of the greatest robberies in history — the 2003 Antwerp Diamond Heist. A break-in so elaborate, so brilliantly orchestrated, that it's been dubbed "the heist of the century." The thieves managed to steal over $100 million worth of diamonds, gold, and jewelry from what was considered the world's most secure diamond vault. The audacity and precision of this crime earned it the nickname "the...

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In today's episode, we’re revisiting one of America's most haunting unsolved murders. Some crimes are so brutal, and so confounding, that they transcend time. The Villisca Axe Murders are one such case. It's a story of a peaceful Iowa town that was transformed overnight into the epicenter of a century-old mystery that continues to captivate and disturb to this day.

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In today's episode, we’re taking you to the vast, frozen wilderness of northern Canada — far from the bustling cities, deep into a remote area. This chilling story unfolds near Lake Anjikuni, one of several lakes located along the Kazan River, where an entire village of indigenous people vanished many years ago without a trace. This baffling disappearance stands as one of the most perplexing cases in North American history.

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In today's episode, we’re traveling back to the 1930s to explore a case that still sends shivers down spines — the unsolved mystery of the Mad Butcher of Kingsbury Run. This is the story of one of America’s most elusive serial killers, a specter who haunted Cleveland and baffled investigators, including the legendary Eliot Ness.

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In today's episode, we’re traveling back to 1989, to a cold winter night in Salem, Oregon. That's when a man named Michael Francke - director of the Oregon Department of Corrections - was brutally murdered. This truly baffling case has no shortage of possible motives. An innocent man was convicted of the crime and spent nearly three decades behind bars before his release. Frustratingly, the true identity of the killer remains unkno...

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Today, we're presenting a special episode that will discuss two separate yet equally perplexing cases that have left communities searching for answers for many years. These intriguing mysteries - one a double murder and the other a disappearance - were brought to our attention by two listeners. Both of them hope we'll receive a tip that could help at least one of these families finally find the closure they've long sought.

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In today's episode, we’re looking back at a famous case that’s one of Hollywood’s greatest unsolved crime puzzles — the murder of famed silent film director William Desmond Taylor. This case — full of scandal, cover-ups, and intrigue — has captivated true-crime enthusiasts and historians for over a century.

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In this episode, we're digging into a case that has haunted Chicago for nearly 70 years — the unsolved murder of teenagers Barbara and Patricia Grimes. It’s a story of innocence lost, strange sightings, and a mystery that refuses to die. The disappearance and murder of the two girls stands as one of Chicago's most haunting unsolved cases, leaving a trail of questions that have persisted all these years.

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In this podcast, we’re delving into an unsolved crime mystery that has haunted investigators for more than half a century. This strange story is filled with a multitude of cryptic clues that have left experts baffled to this day. The case is about the brutal murder in 1974 of a 29-year-old British nanny … and the nobleman who quickly vanished and has drawn suspicion ever since.

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