PITTSBURGH (KDKA) — A wave of counterfeit money is showing up at some local businesses, and one community has been especially hard hit by the bogus bills.

No less than five businesses in the Carnegie area have been hit with fake bills, including two gas stations, a CVS drug store nearby and a pizza parlor.

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One store manager, who did not want to be identified, said a woman came into the store and tried to pass two bogus $50 bills. She was caught on store surveillance video.

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The Secret Service Office in Pittsburgh confirms that its agents are investigating multiple incidents of counterfeit money being passed out in the area during the past month or so.

A spokesman says the agency is aggressively pursuing all leads at a number of different locations in the region.

More counterfeit bills recently turned up at a 7-Eleven store in Ingram, and at the Giant Eagle Market at the Crafton-Ingram Shopping Center.

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To learn more about how to detect bogus bills, go to: secretservice.gov.