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Heist & Con Chronicles · Episode 4 · 16 min · 15 May 2026

Almost Perfect: The Daring Heists That Nearly Got Away

Unraveling the boldest cons and closest calls—admiring the genius, exposing the fatal flaw, one near-miss at a time.

What this episode covers

Unraveling the boldest cons and closest calls—admiring the genius, exposing the fatal flaw, one near-miss at a time.

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Transcript

514 words · the script as narrated

On February sixteenth, 2003, a vault in Antwerp, Belgium was found wide open, its floor littered with discarded diamonds. Last week we looked at the daring near-misses of legendary heists, but the story of this vault… this one redefines what it means to be almost perfect.

It was Monday morning. The guards at the Antwerp Diamond Center began their routine. They approached the vault, two floors beneath the city’s most secure building.

They expected silence. They expected order. They did not expect to find the massive, multi-ton door already ajar. Inside was chaos. One hundred and twenty-three safe deposit boxes had been ripped open.

Gold, cash, and jewels were strewn across the floor, ignored. The thieves had been looking for one thing. And they’d found it. Over one hundred million dollars in uncut diamonds were gone.

The man who took them was Leonardo Notarbartolo. He was not a cat burglar. He was an artist. For more than two years, he’d played the part of a small-time Italian diamond merchant.

He rented a tiny, insignificant office in the Diamond Center itself. He smiled. He made small talk. And he watched. He memorized guard schedules. He studied blueprints.

He even installed a tiny camera above the vault door to steal the combination. The vault was a fortress, protected by ten layers of security. Infrared heat detectors.

Doppler radar. A magnetic field so powerful it would trigger an alarm if the door was opened. A seismic sensor buried in the floor. The lock had one hundred million possible combinations.

The police called it impenetrable. Notarbartolo saw it as a puzzle. In a secret workshop, he built a full-scale replica of the vault to practice. The night of the heist, he and his crew moved like ghosts.

They bypassed the building's main security with forged passes. They reached the vault level. And then, the magic began. A simple can of hairspray coated the thermal sensors, temporarily blinding them.

A custom-built aluminum shield was placed over the magnetic lock, allowing them to open the door without breaking the circuit. The combination, recorded weeks earlier, clicked into place.

The massive door swung open. No alarms. No sirens. Just the quiet hum of the vault’s ventilation. They worked for hours, filling their bags. Then they simply walked out.

It was the heist of the century. A perfect crime. Almost. A few days later, a landowner near Brussels complained to police about some illegally dumped trash.

Inside the garbage bags, investigators found empty diamond pouches, specialized tools… and a half-eaten salami sandwich. The police ran forensics. They got a DNA hit.

Leonardo Notarbartolo. The man who defeated a one-hundred-million-dollar security system was brought down by his lunch. He was arrested and sentenced to ten years in prison.

His crew was rounded up. The perfect plan, undone by a single, human, stupid mistake. And the diamonds? Most of the one hundred million dollars' worth were never seen again.

They exist now only as a ghost—a glittering reminder of the man who was brilliant enough to steal them, and foolish enough to get hungry.

About Heist & Con Chronicles

"Almost Perfect" takes you on a thrilling weekly journey into the world of audacious heists and intricate cons that teetered on the brink of success. We meticulously dissect these near-victories, admiring the sheer ingenuity of their masterminds while pinpointing the crucial missteps that ultimately led to their downfall. Prepare to be captivated by stories of ambition, brilliance, and the often-tiny details that separate legendary triumph from epic collapse.

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