As the FBI investigates the mass shooting at an Austin bar as a "potential act of terrorism," jitters across the United States are skyrocketing. Three Texas people were killed and 14 wounded Sunday as cops say a gunman opened fire before he was shot dead by police. Shooter Ndiaga Diagne also reportedly had pictures of Iranian leaders in his Texas home. Police shot the gunman dead. Meanwhile, people are taking to social media to express their fears about possible sleeper cells on U.S. soil. | Ins

Detectives are going door to door along a road close to Nancy Guthrie’s house seeking video from home security cameras. They are asking homeowners for video from the night of January 11 between 9 p.m. and midnight, three weeks before Guthrie was taken. Authorities believe the kidnappers may have been probing the neighborhood. Authorities are also asking for video from January 31, the night Guthrie was taken. #kidnapping #ransom #tucson #nancyguthrie #crimeupdate | Inside Edition

The dad was knocked unconscious and suffered multiple injuries, while Ronan was rushed to the hospital with a traumatic brain injury. The parents tell Inside Edition they fear that the same horror could happen to another family, and are now suing the city of San Diego and the two contractors that were hired to care for the tree. #SanDiego | Inside Edition