Elaine Thompson, Associated Press
FILE- In this Nov. 13, 2018, file photo a carved mountain goat looks down at the lower level in REI Co-op's flagship store in Seattle. Unified police investigators are joining officers from other states looking for a serial burglar who has been breaking into REI stores across the nation, including in Utah.

SALT LAKE CITY — Unified police investigators are joining officers from other states looking for a serial burglar who has been breaking into REI stores across the nation, including in Utah.

Detectives say the burglar can be linked to at least 10 REI break-ins in seven states.

"Starting Dec. 18, 2018, it is believed the same suspect committed the crime of burglary at seven different locations in the United States, three of them were burglarized on two different dates. The suspect in each case obtains the same items in each burglary," an officer wrote in a search warrant affidavit filed in 3rd District Court.

The burglaries occurred at REI stores in Greenwood Village, Colorado (twice); Oakbrook Terrace, Illinois (twice); West Tukwila, Washington; Boise; Overland Park, Kansas; Winter Park, Florida; and twice at Utah's Millcreek REI store, 3285 E. 3300 South, on Jan. 31 and March 17.

More than $55,000 worth of merchandise was stolen during the 10 burglaries.

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In each case, surveillance video recorded the burglar. Investigators say a person who wears "all black with gloves with their face covered enters the store. The suspect has a large duffel bag on his back. Suspects stops at the display for the Garmin and GoPro products. The suspect can be seen using a yellow pry bar to break into the displays, emptying items from the displays into his bag, and then leaving out the store," the warrant states.

The affidavit notes that law enforcement agencies were hoping to use cellphone tower information to locate the burglar.