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UPDATE: Arcan Cetin, the 20-year-old who killed five people at a Washington mall last week, is in fact a U.S. citizen, not a permanent resident.

KING 5 reported that a federal official said Cetin is a naturalized U.S. citizen. That means he was legally registered to vote, despite reports indicating he illegally voted three times.

(Original story below)

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The man who went on a shooting rampage at a Washington state mall is not a U.S. citizen, but that didn't stop him from voting.

According to KING-TV, Arcan Cetin illegally voted three times since 2014, including in the May presidential primary.

Cetin, who came to the U.S. from Turkey as a child, never applied for citizenship and remained in the country as a permanent resident.

The state's election system operates on an honor system of sorts, since an individual who shows up to vote does not have to prove he or she is an American citizen.

Secretary of State Kim Wyman said she does not believe the Cetin case points to a larger issue in the state ahead of Election Day.

Voting as a non-U.S. citizen could carry a five-year prison sentence, she told the station.

Cetin, 20, is accused of killing four women and one man at a Macy’s store at the Cascade Mall in Burlington, Washington, last Friday night.

The women, including a 16-year-old and a 95-year-old, were targeted at a makeup counter. Cetin was on the run for a day before police took him into custody.

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