100 Years for Killing His Own Daughter
True Crime with Elli Mac
03/30/26
•13m
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On July 10, 2022, just after 5 p.m., police were called to a home on the 800 block of Orange Avenue in Helena, Montana, after a man dialled 911 and told dispatchers he had just opened fire on people inside his own home, claiming they had been trying to attack him.
Within moments, a second call came in from the same address, this time from another person inside, reporting that a woman had been shot.
When officers arrived, they stepped into a scene that was already unravelling, with multiple people inside the property and clear signs of violence having just taken place.
Seven people had been in the house at the time, four of them under the age of 18.
Among them was eight-year-old Arianna Frankie Louise Valez.
And her mother, Heather Hall.
As first responders moved through the home, they found Arianna suffering from a gunshot wound to her back, having been struck as she tried to get away from the chaos unfolding around her, while Heather was also found injured nearby.
Both were rushed for emergency medical treatment as officers worked to secure the scene and understand what had just happened inside that house.
Because at that moment, all they had was a 911 call from a man claiming self-defence... and a home filled with victims.
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📩 For business inquiries: ellimacproductions@gmail.com
Previous Episode
When six-year-old Teresa Cormack didn’t return home that afternoon, it quickly became clear that something was wrong.
Her mother, Kelly Pigott, soon discovered that Teresa hadn’t been at school that day at all. Panic set in.
Kelly went out searching immediately, walking the route to the school, checking the streets, calling her name—hoping she would find her daughter nearby. But there was no sign of her.
As the hours passed, police were called, and what began as a missing child search quickly escalated. Officers and more than 600 volunteers combed through Napier, searching streets, alleyways, and open land, desperately hoping Teresa would be found safe.
But she wasn’t. Not that day. Not the next.
It would be eight days later when a woman walking her dogs made a devastating discovery—Teresa’s small body, half-buried at the bottom of a bank beneath a tree on Whirinaki Beach...
...what had happened to Teresa, who had committed such a horrific act against a defenceless child, and how long it would take before justice was finally served.
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📩 For business inquiries: ellimacproductions@gmail.com
Next Episode
On April 22, 1985, in East Anchorage, Alaska, three members of the same family were murdered inside their own home.
It was a controlled, deliberate and brutal attack, carried out in a place where they should have been safest.
Weeks later, those responsible were caught — a fourteen-year-old girl and her nineteen-year-old boyfriend.
The case shocked the community, not just for the brutality of the crime, but for the age of those responsible.
At just fourteen years old, she was sentenced to two hundred and ninety-seven years in prison, one of the longest sentences ever given to a juvenile in Alaska.
But how was it that decades later, in 2025, she would walk out of prison a free woman?
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📩 For business inquiries: ellimacproductions@gmail.com
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