What is causing the multi-million applicant backlog at USCIS?

 07/22/2019 - 15:37
JANUARY 29: Immigrants wait for their citizenship interviews at the U.S. Citizenship and Immigration Services (USCIS), district office on January 29, 2013 in New York City. Some 118,000 immigrants applied for U.S. citizenship in the New York City dictrict in 2012. (Photo by John Moore/Getty Images)

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