U.S. Secret Service agents escort her, for her safety. Over the last two years, they have kept watch on dozens of trips, some lasting weeks, others months, as she has spent long days foraging through case files with local police and long nights holed up in one of the town's few hotels, with her windows locked.

"You don't know who to trust there. You can't use the hotel phone line. When you step outside, you can spot the local hackers in their cars, circling around," said Spasova, 33. "The Secret Service agents always book my accommodation and make sure I'm in a room next to them."

»www.latimes.com/business/la-fi-e···e-center