It's not nearly over. President Trump announcing today the "big wave" is still to come in the US military attack on Iran, with bombings continuing today. For Americans in the Middle East, many are finding themselves trapped, forced to take cover. Ann Mercogliano begins our coverage. And it's not just overseas where people are on edge. Here stateside, there is fear of retaliation by sleeper cells and lone wolves. The FBI now investigating a shooting at an Austin bar that left three dead as a possible terror attack. As Steven Fabian reports, many worry there will be more. Plus, the operation in Iran, code named “Epic Fury”, began Saturday morning in the Middle East. The plan was to hit 100 targets in 24 hours. Leading up to it all, the President keeping it all top secret -- even going out for burgers right before the attack. And for the first time in more than a month, Savannah Guthrie is seen outside her mother's home. Today she laid flowers with her sister and brother-in-law at a growing memorial.