He let a homeless teenager move in, and police say it cost him his life.

In a quiet Florida retirement community, 67-year-old retired nurse John Torneo was found dead inside his own home. Detectives quickly focused on 19-year-old Julian Trevino, the teenager investigators say Torneo had been trying to help.

In this episode of Murder U, we break down the newly released details from the Polk County Sheriff’s Office, including what investigators say happened behind closed doors, the confession that followed Trevino’s arrest, and the sheriff’s message to the public as the case moves forward.

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Celeste Rivas Hernandez vanished at 14. A year later, her remains were found inside the trunk of a Tesla registered to music star D4VD.

Ten days after the discovery, investigators were searching the 20-year-old singer’s Hollywood Hills rental home for evidence of foul play. What they uncovered only deepened the mystery—and intensified scrutiny around D4VD’s role in the case.

Authorities now acknowledge that Celeste’s death is being investigated as a murder. As months have passed with no arrests, resurfaced videos and online activity have raised disturbing questions about the nature of Celeste’s connection to D4VD and how a child slipped through every layer of protection.

With rumors flooding social media, gossip columns uncovering new details, and evidence now being presented to a grand jury, pressure is mounting for answers—and accountability. Will Celeste Rivas Hernandez ever get justice?

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A quiet Georgia high school becomes the site of the deadliest school shooting in the state’s history — after a series of warnings were missed.

On September 4, 2024, a mass shooting at Apalachee High School in Winder, Georgia left four people dead and multiple others wounded. The suspect, a 14-year-old student who had been enrolled at the school for less than a week, surrendered shortly after the attack. Days later, in a shocking development, his father was also arrested and charged in connection with the crime.

In this episode, we examine what led up to the Apalachee High School shooting, including prior threats reported to authorities, breakdowns in communication between law enforcement and school officials, and the warning signs that went unheeded. We also explore the unprecedented charges filed against the suspect’s father — and what this case could mean for accountability in future school shootings.

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A series of missed warnings and fatal delays culminate in a massacre that forever changed campus safety in America.
On April 16, 2007, a lone student carried out a coordinated shooting across the Virginia Tech campus, killing 33 people and wounding 17 others. What began as a double homicide in a residence hall escalated into a mass shooting inside Norris Hall, while students and faculty remained unaware of the threat.
In this episode of Murder U, we examine the life and warning signs of the shooter, the investigative failures and administrative decisions that allowed the attack to continue, and the devastating impact on the victims, their families, and the university community. We also explore how the tragedy reshaped campus security, emergency alert systems, and federal gun policy — and why its lessons remain painfully relevant today.

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A 21-year-old student vanishes in Austin… and her family makes a horrifying discovery inside a condo just steps from campus. In August 2005, Jennifer Cave was days away from starting a new job and turning her life around when she went out to help a troubled friend.

Hours later, she was found murdered in a West Campus condominium near the University of Texas — her body brutally mutilated in an act that stunned investigators and traumatized her family.

In this episode of Murder U, we examine the killing of Jennifer Cave, the disturbing post-crime behavior of Colton Pitonyak and Laura Hall, and the unanswered questions that still haunt one of Austin’s most notorious college murder cases. From the frantic search to a shocking crime scene and a twisted cover-up, this case remains a chilling reminder of how empathy and trust can be exploited — with devastating consequences.

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A random encounter in a college-town parking lot leaves an 18-year-old student dead… and a community demanding answers. 

Anna Jones had just graduated high school and was enjoying a summer night out with friends — minutes from the university she planned to attend in the fall. But when a drunk professor approached their car and opened fire, a senseless act of violence ended her future before it began.

Investigators would soon uncover how a night of reckless behavior escalated into tragedy — and how the failures of those who could have intervened allowed a dangerous man to roam free.

In this episode of Murder U, we tell Anna’s story — a young woman full of life, ambition, and compassion — and explore the heartbreaking ripple effects of a tragedy that should never have happened.

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A hardworking high school student in Japan disappears on her way home… and doesn’t return. For weeks, her family searches desperately, unaware that she is trapped in a nightmare unfolding behind closed doors.

When her body is finally discovered—hidden in a concrete drum—the case shocks the world and exposes a terrifying failure of justice.

In this episode of Murder U, we tell the story of seventeen-year-old Junko Furuta, whose bravery in the face of unimaginable cruelty sparked outrage around the world… and raised the question so many still ask: how could anyone get away with something this horrific?


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A campus already grieving from a student’s murder was about to face a second nightmare.

João Souza came to Binghamton University to study engineering, play soccer, and build the future he dreamed of. But on a quiet April night, he was attacked inside his freshman dorm, sending the campus into panic and confusion.

As detectives began piecing together João’s final hours, they concentrated on the people around him, trying to understand whether anyone had reason to hate him. Interviews, security footage, and early witness accounts slowly narrowed the possibilities, pointing investigators toward someone connected to his daily life — someone whose presence on campus would become central to the case. 

In this episode of Murder U, we trace the steps that led police to a suspect, the shocking events inside the dorm, and the devastating loss felt by everyone who knew João. 

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A campus turned into a killing ground.

In May 2014, the quiet college town of Isla Vista was shattered when a 22-year-old student launched a brutal, premeditated attack inspired by incel ideology and violent misogyny. What began with online rants and a 141-page manifesto exploded into one of the most infamous mass killings of the decade.

In this episode of Murder U, we examine Elliot Rodger’s path from resentment to violence, the online communities that validated his rage, and the grief left behind for the families of six students whose lives were taken. We also explore how this case exposed a dangerous subculture that had been hiding in plain sight — and why experts now consider it a form of extremist violence.

This is the story of the Isla Vista killings… and the warning signs that were missed.

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A teacher is murdered over a bad grade. 

When 66-year-old Spanish teacher Nohema Graber disappeared after her afternoon walk in Fairfield, Iowa, police uncovered a crime that shocked the community — planned and carried out by two of her own students.

In this episode of Murder U, we follow how a respected educator’s disappearance unraveled into a story of teenage rage, digital evidence, and a motive almost too petty to believe.

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