Presidential candidate Julián Castro claimed Tuesday that the southern border is “as secure as it ever has been,” during his appearance on MSNBC’s ‘Live with Velshi and Ruhle.’

Stephanie Ruhle asked, “If [Immigration and Customs Enforcement] were to be broken up, how would you deal with the millions of undocumented immigrants already here and those who are crossing the border, the thousands who are crossing the border?”