Nike's Wings — Valerie Douglas

The wings tattooed on Nike's back cover the scars of her dark past. Once she worked for a secret division of the CIA, then she walked away after they asked her to go one step too far. A new branch of Homeland Security, a fast-response group called the NIO, deals with domestic and foreign terrorism within US borders. Nike has skills the NIO needs. Then the NIO uncovers a conspiracy that threatens everything...