He promised to keep her safe… Without crossing any of his self-imposed lines. K-9 officer Aiden Murphy always kept things strictly platonic when it came to KCPD criminalist Lexi Callahan out of respect for her family's having taken him in years ago. Then Lexi is attacked during a crime scene investigation, and Aiden and his dog, Blue, step right in, making their relationship even more complicated. Keeping Lexi safe is his priority. But resisting the woman who's never been far from his thoughts will be his greatest challenge this holiday season.

This crime lab tech has enemies. And one wants her dead… A vicious hacker has KCPD lab tech Chelsea O’Brien dead in his sights, and Robert "Buck" Buckner won’t let his personal heartbreak prevent him from keeping her safe. But the sparks between this reserved ex-cop and the warmhearted Chelsea are as hot as the trail they’re tracking. Can their mismatched skills outwit a killer—and help them risk their guarded hearts?

This wounded warrior Is willing to protect her with his life Grayson Malone started working as a criminalist after leaving the Marine Corps, but he’s still recovering from the trauma of losing his men and his legs. When a stalker starts menacing his neighbor, Allie Tate, he doubts that he can keep her safe—until her trust in him makes him trust himself. They might even have a chance at love…if they can stay alive.

History is repeating itself… With deadly consequences. Discovering a bloody knife from two unsolved murders reunites theater professor Reese Atkinson with criminalist Jackson Dobbs. And the murder victims? Jackson’s own parents. But the shy orphaned boy from her childhood is now an army veteran and fierce protector…of the evidence and of Reese. But just who is weaving a deadly web that not only threatens their reunion…but their lives?