Staff Sergeant Felicity Monroe must rely on Master Sergeant Westley James and K-9 German shepherd Dakota to protect her from becoming the Red Rose Killer's next victim.

"Caught in a serial killer's deadly game with nowhere to turn...Interrupting an attempted murder - and leaving with incriminating evidence - makes Sissy Spencer a serial killer's next target. With a flash drive in her possession containing disturbing proof of multiple murders, Sissy has no choice but to trust her ex-boyfriend, private investigator Beau Brighton, to keep her safe. But can they unravel the clues and track down a killer...before he catches...

After relentless searching, Captain Justin Blackwood's closing in on the Red Rose Killer. But when his daughter becomes a target, the hunt turns personal. With the help of his new partner, Captain Gretchen Hill, and his K-9 Quinn, Justin will race to save his daughter and bring down his nemesis once and for all... or die trying.

Minutes into FBI profiler Bryn Eastman's first case since a near-fatal shooting, a brazen serial killer sets his sights on her next. Now her life-and career-is in the hands of her new partner, Detective Eric Hale, the man she once loved and lost. Racked with nightmares of the shooting and regrets for the tragedy that tore her and Eric apart, Bryn doesn't want Eric to discover the secrets she carries-but she needs him. Seeing Bryn brings back memories...

"After witnessing several murders, Natalie Pearson narrowly dodges death but knows the killer is still out there--searching for her.  And even her sister's remote cabin the the Smoky Mountains can't keep her safe.  After fleeing into the woods, she runs into former detective Andrew Moore and his K-9.  Trusting Andrew is Natalie's only chance for survival, but together they must outwit a relentless villain...before they become his final victims."...

"A ruthless enemy is out for vengeance... and it's up to a K-9 team to stop him. Sergeant Tyson Wilkes is determined to protect his Rocky Mountain K-9 Unit--especially against an unknown assailant with a taste for explosives. Fortunately, Denver detective Skylar Morgan has the toughness and smarts to help Tyson and K-9 Echo find answers...even if she's stepping into the crosshairs with them. But can they disarm this volatile killer before the next...

Suspected of aiding a serial killer, single dad Chase McLear is desperate to prove his innocence. However, someone's determined for him to be found guilty-and now they're targeting Chase's little girl. Preschool teacher Maisy Lockwood's father was one of the killer's victims, but Maisy believes Chase has been framed. Can Chase's K-9 beagle sniff out the evidence to clear his name before the killer makes them his next victims?

"Former FBI behavioral analysts River Ryland and Tony St. Clair are asked to assist on a profile to catch the Snowman, a serial killer who has stayed hidden for over twenty years. As the killer's pattern emerges and danger mounts, River and Tony are in a race against the clock to catch a killer before he catches one of them"-- "Twenty years ago, several people were murdered in Des Moines, and the only evidence left behind was a snowman ornament hanging...