Someone Has to Know Ending Explained: The Netflix miniseries delivers one of the most frustrating but realistic endings for a crime drama. Instead of closure, it opts to leave things somewhere in the middle of a fight as a detective and a mother struggle to find a teenager’s murderer. With a lingering sense of doubt, unresolved tension and a haunting sense of missing truth, the series is frustrating as it is frighteningly realistic.
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Someone Has to Know Netflix Cast
Paulina García, Alfredo Castro, Clemente Rodríguez, Lucas Sáez Collins, Gabriel Cañas
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Someone Has to Know Series Directors
Fernando Guzzoni, Pepa San Martín
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Original Title
Alguien Tiene Que Saber
The series has 8 episodes, each with a runtime of around 40 minutes. It is based on the real-life case of Jorge Eduardo Matute Johns, who disappeared around November 19, 1999.

Someone Has to Know Ending Explained
What happens in the ending
In the final episode, the investigation into Julio’s disappearance and murder reaches a dead end instead of a resolution. The police, headed by Montero, face one roadblock after another, despite getting Cruz and his friends in jail. Unfortunately, due to a lack of any real evidence, the kids have to be let go, despite everyone knowing that they were there with Julio on the night of his disappearance in La Cucaracha.
Meanwhile, Montero’s team homes in on the Professor, who seemingly targets young men at the nightclub and drugs them, hoping to sexually assault them. Montero, however, isn’t keen on this and refuses to entertain the thought of anyone other than Cruz being responsible. Unfortunately, before they can even get to the Professor for questioning, he ends up mysteriously dead.

The threads, thus, instead of offering a solution, unravel and leave viewers frustrated.
The Priest’s silence: Truth hidden by faith
One of the most significant parts of the series is Father San Martin, who is the first person to know the true perpetrator. However, he refuses to confess what he knows because he is bound by the seal of confession. This decision, however, slowly eats away at him, as he desperately wants to help the grieving family get justice. He tries to find a way to break out of this oath and help them, but even after going to the Vatican, he is unable to get permission and continues to hold this heavy weight on his shoulder because of what his religion asks of him.
It creates a powerful moral conflict, questioning religion’s role in offering justice and truth to those wronged and helping the perpetrator get away with such a heinous act.

Montero’s obsession: Bias replaces evidence
Montero is acutely aware that his time on the force is coming to an end. Once celebrated for his sharp detective skills, he has found his methods outdated and his thoughts scattered. Thus, when he realises that the team is investigating on their own to find a different killer and that his deductions might be incorrect, he doubles down on his hunch and goes after Cruz, although there is no fresh evidence and the old ones don’t match the forensic report.
By refusing to consider alternative possibilities, the detective embodies a system where personality bias can derail an investigation and hinder justice.

What does the end mean?
In the end, we see San Martin tell a hopeful Montero and Victoria that he will, in fact, not be able to tell them Julio’s killer’s identity, leaving them heartbroken. Montero looks dejected and without any clear direction to move forward, while Victoria, more resolute than ever, refuses to give up.
The ending is deliberately unsatisfying and doesn’t provide easy answers. Taking the original case’s path, which also doesn’t have a satisfying conclusion, ending only with the knowledge that pentobarbital was used to kill the young man. However, with the death of the other suspects in the case, it remained unsolved. However, by the time the series ends, one haunting thought stays with us – although the priest knew the truth, it wasn’t enough to bring justice.
Are you satisfied with the ending of Someone Has to Know? Let us know in the comments below!
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Poor ending.
I think the same as the reader before
What a disappointing ending.
The ending has no end, however, it is based on true facts, which in reality is that no one, so far, has ever been convicted. Therefore, although disappointing, the ending of the series is the reality of the facts. It is what it is. And it is said right in the very beginning that there would be no ending since the perpetrator was never found. Can’t make one up!
True life crime drama’s can’t always come to a happy conclusion. Or any conclusion for that matter. A sad story but well presented.
Watching 8 episodes with curiosity…but ending very disappointing