May 8: Search for answers in Texas mall shooting. Driver kills eight near migrant center. Protests over NYC chokehold death. New rules to compensate delayed flyers.

<p>New details about the gunman who opened fire at a crowded mall near Dallas, as the community holds a vigil to honor the victims. Also, new video footage of that deadly incident outside a migrant shelter in Texas. Plus, protests are intensifying over the death of Jordan Neely. And, the Biden administration is expected to announce new rules for airlines. </p>