Who is The Monster of Florence, and what do we know about his crimes? Details explored as Netflix gears up for new true crime series this October 

The Monster of Florence
A new tru crime series to hit Netflix (Image via YouTube Netflix)

The Monster of Florence is a name that has haunted Italy for decades. And now, it’s about to grip a global audience as Netflix prepares to release a chilling new limited series inspired by this disturbing true story.

Premiering in October 2025, The Monster of Florence is a four-part Italian crime drama that delves into the country’s most infamous and unsolved serial killer case. Directed by Stefano Sollima, it will explore not only the brutal crimes themselves but also the flawed investigations, public paranoia, and media frenzy that followed.

The series is based on real events that terrorized the region of Florence from the late 1960s to the mid-1980s. Over that time, an unknown killer or possibly more than one took the lives of eight couples in eerily similar ways.

While various suspects were arrested and even convicted, no one has ever been definitively proven to be The Monster of Florence, leaving the case shrouded in mystery even today. Netflix aims to bring this long-feared figure back into public conversation, while raising questions about justice, truth, and obsession.

Keep reading to know more about this notorious figure.


Who was The Monster of Florence, and what did he do?

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Between 1968 and 1985, a quiet part of Tuscany became the scene of something truly terrifying. What seemed like a peaceful countryside turned into the hunting ground for a serial killer who would go on to commit eight separate double murders, about 16 lives lost, all young couples.

Most of the attacks happened when the couples were alone in their cars late at night, likely just trying to enjoy a quiet moment together. The killer always used the same weapon: a .22-caliber Beretta pistol, which tied the murders together. But what made the case even more disturbing was how the women were treated after death.

The way these murders were carried out made investigators believe they were dealing with a truly twisted serial killer. In some of the cases, the killer didn’t stop at just shooting the victims, as he went even further, using a knife to cut away private parts of the women’s bodies.

It was horrifying and suggested that there might have been some kind of ritual involved, or that the person behind it had serious psychological issues. What made things even more chilling was the pattern.

Many of the attacks happened during the new moon and always in quiet, hidden spots, details that made people even more scared and confused about who this person could be and why they were doing it.

Even after years of digging, the case stayed unsolved. In the '90s, a local farmer named Pietro Pacciani was arrested and found guilty, but the verdict was later overturned. He died before his retrial and wasn't declared the monster of Florence.

Later, two of his friends, Mario Vanni and Giancarlo Lotti, were convicted mostly because Lotti confessed. But the mystery never really felt settled. There was no murder weapon, and no solid DNA proof tying anyone to the killings.

This is what Netflix is all set to feature in its upcoming true crime series, The Monster of Florence. The name was given keeping in mind how brutally the victims were killed and the way those cases haunted people for years.

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Exploring where the case of the Monster of Florence stands now

A glimpse into the true crime series (Image via YouTube, Netflix)
A glimpse into the true crime series (Image via YouTube, Netflix)

The hunt for The Monster of Florence quickly became one of Italy’s most puzzling and drawn-out criminal investigations. Police followed countless leads, arrested suspects, and held lengthy trials, but every answer seemed to raise new doubts.

Pietro Pacciani, a farmer with a troubled past, was arrested and convicted in the early '90s, but his conviction was overturned, and he died before a retrial. Later, two of his acquaintances were convicted, yet many still believed the real killer had slipped through the cracks.

As the case dragged on, it sparked a media frenzy and drew the attention of international journalists and writers. The book The Monster of Florence by Douglas Preston and Mario Spezi casts serious doubt on how the investigation was handled. It suggested that the wrong people had been blamed, and that key evidence had been ignored or mishandled.

In a bizarre twist, Spezi was even accused of interfering in the case, adding to public suspicion that something deeper was being covered up. In recent years, investigators have turned back to the case using modern forensic tools, including DNA testing on evidence collected decades ago.

Some believe these efforts could finally point to the real killer, but no solid breakthrough has been announced. Families of the victims are still waiting for answers, and many are pushing for a fresh investigation.

With Netflix reviving public interest through its upcoming series, there’s renewed hope that the truth might one day come to light if it hasn’t already been buried for good.


Also Read: Until I Kill You filming locations: Where was the true crime show shot?

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Edited by Alisha Khan