In a dozen Twitter missives over the past three days, President Trump has accused Democrats of failing to protect young undocumented immigrants, criticized Mexico for its role in illegal immigration to the United States and warned of “caravans” of people headed toward the southern border.

At least half of his statements were inaccurate. Here’s a fact-check.

Mr. Trump warned that new immigrants would take advantage of DACA, and said that Democrats were responsible for the program’s demise.