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Marriage Fraud in US Immigration

The process and standards used by US immigration authorities to determine marriage fraud, including the use of substantial and probative evidence, and the consequences of a finding of marriage fraud.

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Jan 12, 2026
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What legal standards and evidence are required to prove marriage fraud or familial relationships in immigration investigations?

US immigration authorities apply a heightened evidentiary standard—“substantial and probative evidence”—to find marriage fraud, a threshold courts and the Board of Immigration Appeals describe as more...