"Letty Davenport, the tough-as-nails adopted daughter of Lucas Davenport, takes on an undercover assignment that brings her across the country and into the crosshairs of a dangerous group of hackers"--

1. United States. -- Department of Homeland Security -- Fiction.; 2. Government investigators -- Fiction.; 3. Undercover operations -- Fiction.; 4. Hackers -- Fiction.; 5. Thrillers (Fiction); 6. Novels.;