evidence: When Gallego voted against the bill, he said in a statement, "Of course only U.S. citizens should vote." Gallego said the bill would create obstacles for Arizonans to vote because of the requirements to provide documentary proof of citizenship, such as a passport or birth certificate. [...] Not everyone was let in. The term "noncitizens" includes people who may have had legal immigration status in the U.S. but were not U.S. citizens. The data reflects the people that the federal government knows about, but it’s inexhaustive. Some countries don’t share their criminal databases with the U.S. However, immigration experts previously told PolitiFact that despite the data’s limitations, there is no evidence to support the statement.