Andrea Castilla had been out celebrating her 28th birthday at the Route 91 Harvest Music Festival in Las Vegas with her sister and her boyfriend, Derek Miller, who had been waiting for the right moment to propose.
“I told him, she would have said ‘yes’ immediately,” her sister, Athena Castilla, told ABC News’ Juju Chang for “Nightline.
The country music fans were having the time of their lives at the festival, dancing and singing to the music near the main stage on Sunday night, when suddenly, terror struck.
A gunman identified by police as 64-year-old Mesquite, Nevada, resident Stephen Paddock, opened fire and sent roughly 22,000 terrified concertgoers running for their lives. The attack killed 59 people, including the gunman, and injured nearly 500. Paddock was found dead on the 32nd floor of the Mandalay Bay Resort and Casino when authorities entered his room. The hotel was across the street from the music festival.
“My sister said, ‘duck,’ so we duck and the next thing we know she was already hit,” Athena said. “It just happened so fast.”