The parents of a Kentucky teenager who was fatally shot in a mass shooting at her high school this week said their daughter called them as the violent scene unfolded in the background. Bailey Holt, 15, was one of two students killed at Marshall County High School in western Kentucky on Tuesday after a classmate allegedly opened fire, killing them both and injuring at least 18 others, authorities said. "She called me and all I could hear was voices, chaos in the background," Bailey's mother, Secret Holt, told ABC affiliate WKRN on Wednesday. "She couldn't say anything and I tried to call her name over and over and over and she never responded." "We rushed to the high school, and they wouldn't let us get through," she said. Secret Holt said she knew something was wrong when she didn't see her daughter on any of the buses that were used to transport the surviving students to a nearby school. "We waited and waited for h...