Thread of Suspicion. Susan Sleeman

When someone sabotages ex-Navy SEAL Luke Baldwin’s “unhackable” software, there’s more than his reputation at stake. Faced with treason charges, Luke turns to Dani Justice, a computer expert and skilled investigator. She’s eager to dive into the challenging case…until she uncovers a devastating connection. The hacker framing Luke has a personal, deadly history with Dani. Luke’s code of honor—and his growing feelings—make him resolved to protect the sweet, strong woman he knows is more vulnerable than she’d admit. But what good are his training or determination against an enemy who can hack into any system, and find them wherever they hide?