particularly efforts to quickly deport unaccompanied minors. He said last July that America should not send children back to countries where "they will face certain death."

O'Malley's stance on unaccompanied minors contrasted with a statement from Democratic presidential candidate Hillary Clinton, who said last June that the children should be sent back to their native countries after a review. O'Malley's campaign touted his stance on unaccompanied minors after Clinton gave a well-received remarks on immigration earlier this month.

Clinton's precise stance as a candidate on family detention isn't entirely clear.'