Explainer: Must immigrant parents, children be separated at the border?

President Donald Trump has insisted repeatedly that Democrats are to blame for his administration's new policy of separating immigrant families at the border. Since it was implemented in April, more than 2,000 children have been removed from their parents after the adults were jailed for the federal misdemeanor of illegal entry. On such an emotive, politically-charged issue, there's sure to be a lot of misinformation. We break it down.