 Ben Gomez, thank you. CBS News 24-7 will have comprehensive coverage of the RNC all week long with our political team joining us from the convention floor beginning on America Decides tonight at 5 p.m. Eastern. Federal investigators are still searching for the motive of the gunman who opened fire at the Trump rally on Saturday, and the FBI has conducted nearly 100 interviews since the attack. Law enforcement officials say bystanders spotted the 20-year-old gunman beforehand and alerted authorities.