Fact Check: Trump’s and Biden’s Claims on Immigration and Border Security

Large numbers of migrant apprehensions at the southern border have vaulted immigration and border security onto the list of top concerns for voters.Public polling shows support for former President Donald J. Trump’s hard-line approach, and President Biden, who made overturning Mr. Trump’s immigration agenda part of his platform in 2020, has recently reversed course and issued a more restrictive border policy.But some of Mr. Trump’s most-repeated statements are inaccurate, in warning about the level of illegal immigration, characterizing unauthorized migrants as criminals taking…