It flew the American flag, hung a photo of President Obama and issued US visas for more than a decade.
But a building that operated as a US embassy in Ghana was a fake, the US State Department says.
The State Department did not say how many people may have entered the United States illegally using documentation issued by the crime ring, nor did it say how the ring may have obtained official documents.
Some of the 150 passports and other identification paperwork seized during the raids.
Visas and passports from 10 different countries were found during raids on the nondescript stucco building with the corrugated tin roof, the State Department said.
Authorities shut down the operation after receiving a tip last summer and conducting a joint investigation by diplomatic security agents at the real US embassy in Ghana, Ghanian authorities and other international partners.
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Image courtesy of Department of State