In 1922, six people were brutally murdered on an isolated farm in Bavaria, Germany. Strange signs had appeared before the crime, the bodies were not discovered for days, and investigators even suspected that someone may have remained on the property after the killings.

In this episode of Traces of Truth, we explore the disturbing mystery of Hinterkaifeck, the unanswered questions surrounding that final night, the suspects, the theories and the clues that still haunt the case more than a century later.

Who killed the people of Hinterkaifeck and how did the murderer disappear without ever being identified?

In 1922, six people were murdered at an isolated farmhouse in Bavaria, Germany. Days before the crime, the family discovered mysterious footprints leading from the forest to their home but none leading away. They also heard footsteps in the attic, found an unfamiliar newspaper and noticed that a key had disappeared.

Even more disturbing, evidence suggested that someone remained at the farm after the murders, eating food, feeding the animals and keeping the fireplace burning.

In this episode of Traces of Truth, we investigate the strange warnings, the mistakes made at the crime scene, the principal suspects and the theories surrounding one of Germany’s most unsettling unsolved mysteries.

Was the killer secretly hiding inside the farmhouse or was it someone the family already knew and trusted?

In May 2010, twenty-eight-year-old Brazilian lawyer Mércia Nakashima disappeared after leaving a family lunch in Guarulhos. Eighteen days later, her car was discovered beneath the waters of a reservoir, revealing a carefully concealed and devastating crime.

The investigation focused on Mércia’s former partner, who allegedly refused to accept the end of their relationship. Phone records, conflicting statements, a witness near the reservoir and microscopic algae found on a shoe would become crucial pieces of evidence.

In this episode of Traces of Truth, we examine Mércia’s disappearance, the forensic investigation, the historic televised trial and the convictions that followed. This is a story about control disguised as love, a family’s relentless search for justice and the tiny traces that brought the truth back to the surface.

On June 7th, 1992, Sherrill Levitt, her daughter Suzanne “Suzie” Streeter, and Suzie’s friend Stacy McCall vanished from a home in Springfield, Missouri.

Their cars, keys, money, clothing, and other personal belongings were left behind. The family dog remained inside, and investigators found no apparent signs of a struggle.

In this episode of Traces of Truth, we reconstruct the women’s final known hours, examine the searches and disturbing claims connected to the investigation, and separate verified evidence from the theories that have surrounded the case for decades.

How did three women disappear from one house without leaving a clear trace? More than thirty-four years later, the investigation remains active and the truth is still missing.

In April 1973, Edmund Kemper was at the peak of a terrifying murder spree in Santa Cruz, California. With a towering height of 6’9”, an IQ of 136, and eight brutally executed murders under his belt including young female college students he had evaded detection by law enforcement entirely.

Yet, after committing his most personal and violent crime, he didn't try to hide. Instead, he drove over 500 miles, pulled up to a glass phone booth in Pueblo, Colorado, and called the Santa Cruz police to confess.

The case of Elisa Lam is one of the most intricate, widely discussed, and tragic episodes in modern True Crime history. It combines investigative flaws, unexplainable behavior caught on tape, internet conspiracy theories, and the eerie backdrop of a hotel with a dark past.

An entire family drives into the remote mountains of Oklahoma and disappears. Days later, their truck is found locked with their wallets, cell phones, their pet dog, and $32,000 in cash left completely untouched.

What really happened to the Jamison family? Welcome to Traces of Truth. Today, we unravel one of the most baffling and eerie unsolved mysteries in modern history.

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Did a grieving family welcome back their missing son... or did they use an imposter to hide a dark secret?

In this episode of Traces of Truth, we dive into one of the most unbelievable true crime stories in modern history: the 1994 disappearance of 13 year old Nicholas Barclay from San Antonio, Texas, and the stranger who took his place three years later.

When a French serial imposter known as "The Chameleon" claimed to be the missing boy, Nicholas's family accepted him with open armsdespite his dark hair, brown eyes, and heavy French accent. But when the truth was finally revealed, it brought a chilling question to light: Why would a family accept a complete stranger as their son?

• The mysterious vanishing of Nicholas Barclay

• How Frédéric Bourdin pulled off an international deception

• The detective who exposed the fraud

• The disturbing accusation that turned the investigation on the family