TOPEKA, Kan. (AP) — A Kansas official who later became vice chairman of President Donald Trump's commission on election fraud drafted a proposal for Trump to change federal voter registration laws to promote proof-of-citizenship requirements by states, an unsealed federal court document showed Thursday.

The proposal was part of a "strategic plan" for the U.S. Department of Homeland Security prepared by Kansas Secretary of State Kris Kobach and carried by him into a meeting in November with Trump, then the president-elect. It was among three proposals designed to "stop aliens from voting."

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