TODAY News May 19: Search for Answers in Deadly Mosque Shooting | Severe Weather Across Country | Retro Restaurant Revival Craze

The latest updates on a mass shooting at a mosque in San Diego. Also, severe weather sweeps across the country, with storms in the Midwest and intense heat in the Northeast. Plus, former LAPD detective Mark Fuhrman, who became known for his role in the O.J. Simpson murder case and trial, has died at 74. And, a closer look at how retro themes are making a comeback at certain restaurant chains.