Relentless, deadly severe weather hits the U.S. and Mexico; Police and protesters clash in new demonstration at UCLA; Tennessee attorney general opens probe into Graceland fight; and more on tonight's broadcast.

Severe weather risks for millions of holiday travelers as TSA screens record number of passengers; Pennsylvania father detained in Turks and Caicos reunited with family after more than 100 days; ‘Faith in humanity is through the roof' for kidney recipient whose donor is a fellow soccer team fan; and more on tonight's broadcast.