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A pair of red sequined slippers from the classic 1939 film “The Wizard of Oz” has been found, 13 years after they disappeared from a Minnesota museum, law enforcement said Tuesday.

But the investigation continues into who’s responsible for the 2005 theft of the cherished piece of movie memorabilia.

“We reached the first goal, the recovery, and it’s a great day,” North Dakota United States Attorney Christopher Myers said. “But we’re not done.”

The slippers are one of four known pairs that actress Judy Garland wore in her role as Dorothy in the classic film. They disappeared in August 2005 from a museum dedicated to the actress in her hometown of Grand Rapids, Minnesota.

The theft sparked years of rumors and dead-end leads. Finally, a tip last summer led law enforcement outside Minnesota, and the FBI got involved. This summer, the shoes were seized in an undercover operation in Minneapolis, the FBI said.

“There’s a certain romance in these types of schemes, sometimes sophistication, but at the end of the day it’s a theft,” Myers said.

“These types of offenses not only deprive the owner of their property, but all of us,” Myers said. “This type of cultural property is important to us as a society. It reflects culture, it holds our memories, it reflects our values.”

‘We were literally crying’

The long-lost slippers were shown to reporters Tuesday at the FBI’s Minneapolis headquarters in a news conference conducted in reverential tones, with repeated references to rainbows and the memorable quote “there’s no place like home.”

“They’re more than just a pair of shoes, the slippers. They’re an enduring symbol of the power of belief,” Grand Rapids Police Chief Scott Johnson said.

Memorabilia collector Michael Shaw loaned the slippers to the Judy Garland Museum for Grand Rapids’ annual “Wizard of Oz” festival in 2005. Shaw rejected the museum’s offer to store them in a vault each night because he didn’t want people handling the delicate shoes by moving them daily, he said in the 2016 documentary, “The Slippers.”

“But most importantly, I was assured that the museum had security,” said Shaw.

A thief broke in through the museum’s back door, according to the Grand Rapids Police Department. The perpetrator smashed a glass case in the museum’s gallery and stole the slippers, which were insured for $1 million. The alarm did not sound to a central dispatch station and no fingerprints were left behind, police said.

The theft was “the biggest thing that ever happened to our museum,” museum co-founder Jon Miner told CNN affiliate KQDS in 2015. “We were literally crying.”

Investigators had no evidence, aside from a single sequin that had fallen off one of the slippers. As the mystery deepened, museum staff became the target of rumors of an inside job, allegations they vehemently denied.

“We’re the ones that want to find them because they were entrusted to us,” Miner said in “The Slippers.”

Ten years after the theft, the museum teamed up with the Itasca County Sheriff’s Dive Team to investigate the theory that someone had thrown the slippers into a nearby lake. During the 40th Annual “Wizard of Oz” Festival, divers scoured the depths of the Tioga Mine Pit lake but came up empty-handed.

Extortion investigation leads to shoes

Tips flowed in over the years but they led either nowhere — or to reproductions. One week, they were nailed to a wall in a roadside diner in Missouri, or resting at the bottom of a water-filled ore pit. Would-be tipsters reported them on display at the Smithsonian, which was true — “Yeah, we know that, that’s another pair,” Johnson said.

“The thieves not only took the slippers, they took a piece of history that will be forever connected to Grand Rapids and one of our city’s most famous children,” Johnson said.

A break in the case came in the summer of 2017, the FBI said in a statement.

An individual approached the company that insured the slippers, saying he had information about the shoes and how they could be returned, and “it became apparent that those involved were in reality attempting to extort the owners of the slippers,” Special Agent Christopher Dudley, who led the investigation from the FBI’s Minneapolis Division, said in the statement.

After nearly a yearlong investigation involving the bureau’s Art Crime Team, the FBI Laboratory, and field offices in Chicago, Atlanta and Miami, the slippers were recovered during an undercover operation in Minneapolis, the statement said.

Jill Sanborn, special agent in charge of the Minneapolis division of the FBI, called the shoes’ recovery a “significant milestone.” But law enforcement is still seeking information about the 2005 theft, she said.

“This is still a very, very active and ongoing investigation,” said Sanborn.

Multiple pairs

Over the years, the mystery of the slippers’ disappearance only seemed to enhance their reputation as one of the most coveted items on the Hollywood memorabilia market.

Valued at $2 million to $3 million and thought to be worth as much as $5 million at auction, they would be hard to sell on the black market — and even harder to hide.

“Whoever has them, illicitly, has their hands full with them,” journalist Rhys Thomas said in “The Slippers.”

“One way or another, over the course of time, the shoes will out you.”

Thomas tracked down several pairs of the famed shoes for a Los Angeles Times article published in 1988.

In the documentary, Shaw says he bought the shoes from a Hollywood costume designer who found them in MGM Studios’ backlot property in Culver City, California. As the story goes, Kent Warner found several pairs on a dusty shelf and took one to the famed MGM Studios auction in 1970. He kept the rest for himself — the exact number is not clear — selling them off to collectors, including Shaw.

Meanwhile, a Tennessee schoolteacher won another pair in a contest in 1940. She sold them at auction in 1988 to a private collector for $165,000.

Another pair has been on display in the Smithsonian’s National Museum of American History in Washington since 1979. In 2016, the organization launched an online campaign to raise money to restore their luster.

In 2012, a group of actors led by Leonardo DiCaprio purchased a pair to be displayed at the Academy Museum of Motion Pictures, set to open this year in Los Angeles.

As Glinda the Good Witch says in the movie when she is describing the slippers’ appeal to the Wicked Witch, “Their magic must be very powerful, or she wouldn’t want them so badly.”