10 Strangest Unsolved Heists In History

March 2015 saw two thieves steal a Boska Holland Cheese Slicer from the Amsterdam Cheese Museum, a real institution.The slicer cost about $28,000.The platinum slicer held value near $28,000. It featured an ornament with 220 diamonds. Thieves took the slicer during business hours. Police caught them on tape, but they faced no jail time. No reward, not even for the world's largest fondue set, yielded any tips.

November 2012, six bikers attacked London's Brent Cross Mall.They rode their bikes.Two people rode each bike. One drove, one hacked jewelry cases with an ax or a bat. They stole about $3.1 million in watches and diamonds.$3.1 million in watches and diamonds went missing.The bikers left. Police found abandoned motorcycles, but the burglars did not.

A witness told the story.The witness told the story.The Mirror reported the event.The article said, "It was like a James Bond film. You just couldn’t believe something like this was happening here. I didn’t have time to be frightened; the whole thing didn’t seem real."

That is.The amount was a billion.In the 2004 Iraq situation after Saddam Hussein, $6.6 billion entered the country and vanished. Special Inspector General for Iraq reconstruction Stuart Bowen could not rule out theft.Stuart Bowen could not rule out theft.The investigation found no useful leads. The money involved and the lack of suspects make this one of the biggest unsolved heists in US history.

In 1968, bomb threats targeted the manager's house at a small Japanese bank. Security heightened around the manager's home and the bank. No bombing happened on the day the threats occurred.

Days later, about $800,000 was moving from the bank. A truck stopped by a uniformed officer. Bank staff and security heard the threat was real and the truck was a target. The man checked under the truck, and smoke and flames erupted, causing everyone but the officer to run.

The robber, disguised, entered the truck and drove away, disappearing forever.

Dan Cooper, later known as DB Cooper, hijacked a Boeing 727 in November 1971 and demanded $200,000. He swapped passengers for the money, flying the plane toward Mexico City at 10,000 feet. He jumped from the plane between Seattle and Reno. Nobody ever found his body or the cash. After 45 years without solid clues, the FBI officially stopped the pursuit of this criminal mastermind in 2016.The FBI officially stopped the pursuit.The FBI stopped the pursuit of this criminal mastermind.

March 2010, Parisian thieves followed Albert Spaggiari's book. A group called the Termites tunneled into a bank. They took at least $34 million in cash and valuables from 200 security deposit boxes.The thieves took valuables from 200 security deposit boxes.The bank closed for renovations. The gang spent days breaking in and several hours emptying boxes.

Termites started a fire, setting off the sprinkler system and flooding the building. They escaped. People believe they caused similar heists in Paris later.

In November 1969, three guards took $2 million at the Aqueduct Racetrack in Brooklyn, NY. They stopped at a local deli for lunch. Then, they opened the truck to check cargo and found two guns.

Police handcuffed the guards and moved them to a local neighborhood.The robbers loaded about $1.37 million (about $9 million in 2017) into a waiting car in broad daylight. They left about $700,000 because many people saw them. The thieves never got caught.Robbers loaded $1.37 million (about $9 million in 2017) into a car. They left $700,000 of loot because many housewives saw them, but police never caught the thieves.

In August 1962, a mail truck carrying $1.5 million in small bills to the Federal Reserve Bank in Boston was stopped by police officer impersonators.Police officer impersonators stopped the mail truck.The robbers used submachine guns. They forced the guard and driver into the truck bed. The thieves planned the location and escape route perfectly. Tree cover and visual blockers hid them from witnesses. After dropping off some money, the robbers left the victims in Randolph, MA. Neither the money nor the thieves surfaced.

These guys had a major hole in their plan.

In March 1999, a truck left Sacramento for San Francisco with two guards and a driver. In San Francisco, they opened the alarm-sealed truck doors and found a wet floor and $2.3 million missing.The truck showed a wet floor and a missing $2.3 million.They saw a hole in the aluminum roof, big enough for a person to slip through. The FBI found a motorist saw someone jump off the truck near a weighing station. That is the only sighting of the bandits.

The money weighed nearly 300 pounds in small bills. Loomis, the shuttle company, offered a $25,000 reward for info leading to an arrest. Nothing happened.

In October 1977, $4 million was locked in a vault at Chicago's First National Bank. Then,abracadabraExactly $1 million went missing over the weekend. This caper found one suspect, but official charges never happened.Official charges never happened.Other than $2,100 from a drug raid, the money was never found.