K-9 Special Ops Series by Tee O'Fallon

It should have been a routine investigation. Instead, DEA K-9 agent Adam "Deck" Decker watches in horror as one Denver hospital seems to be ground zero for overdoses of a new drug. Now Deck can only hope a certain icy, green-eyed ER doctor will help him and his canine partner track down the deadly source.Dr. Tori Sampson has her reasons for not trusting federal agents, especially ones working for the DEA... moreIt should have been a routine investigation. Instead, DEA K-9 agent Adam "Deck" Decker watches in horror as one Denver hospital seems to be ground zero for overdoses of a new drug. Now Deck can only hope a certain icy, green-eyed ER doctor will help him and his canine partner track down the deadly source.Dr. Tori Sampson has her reasons for not trusting federal agents, especially ones working for the DEA. But the rash of overdoses—including a heartbreaking case involving a teen—is alarmingly high. And the new opioid is not only extremely dangerous, it defies all the usual medical treatments. So Tori has a choice: work with the big, brawny, and annoyingly hot DEA agent . . . or watch more innocent people die.Tori's the only person who can help Deck break the case, and they'll need to trust each other, no matter how high the tension and attraction sizzling between them run. But with every question answered, they realize there's something more behind these typical teen overdoses. There's a pattern here, and a pattern can only suggest one thing. There's a killer on the loose. less

After narrowly surviving a childhood fire that killed two of his friends, ATF Special Agent Brett Tanner knows what it’s like to get too close to the flame. The trauma only spurs him and his K-9 partner to track down the arsonists targeting a Colorado town. This latest warehouse blaze looks suspicious as hell…and there’s a body. Now it’s murder... moreAfter narrowly surviving a childhood fire that killed two of his friends, ATF Special Agent Brett Tanner knows what it’s like to get too close to the flame. The trauma only spurs him and his K-9 partner to track down the arsonists targeting a Colorado town. This latest warehouse blaze looks suspicious as hell…and there’s a body. Now it’s murder. Fiercely independent insurance investigator Gemma Scott has been burned enough times to know she doesn’t need anyone—especially a handsome agent with an agenda. Teaming up with the hardened and determined ATF agent means not just trusting her instincts…it also means trusting him.Now they’re racing against an arsonist with a lethal agenda—one who’s willing to burn and kill to hide the evidence. But the killer is only part of a larger mystery. And the searing attraction between Gemma and Brett adds fuel to an already dangerously lethal fire. One that will smoke out a killer…along with Brett’s darkest secret. less

Every secret they uncover brings their hearts and danger closer.While tracking down an escaped felon, FBI Special Agent Evan McGarry and his K-9, Blue, uncover a smoking hot lead on the location of dozens of missing children—including Evan’s own sister. The shocking discovery reopens cold cases throughout Colorado, along with painful wounds and the heartbreaking guilt Evan’s kept buried for decades... moreEvery secret they uncover brings their hearts and danger closer.While tracking down an escaped felon, FBI Special Agent Evan McGarry and his K-9, Blue, uncover a smoking hot lead on the location of dozens of missing children—including Evan’s own sister. The shocking discovery reopens cold cases throughout Colorado, along with painful wounds and the heartbreaking guilt Evan’s kept buried for decades.Three years ago, hospital custodian Marlie Foxe’s world imploded, causing her to cut herself off from the world. But when one of the missing boys turns up at her hospital, he only allows Marlie to get close. Now, Evan needs her help—and he won’t take no for an answer. When she finally agrees to work with him, Evan suspects there’s more to the woman than she’s letting on. She’s hiding something. The question is, what.As Evan and Marlie unearth a cult targeting runaways, they’re forced to confront not only dangerous criminals but the truths they’ve both been avoiding. Including the blistering passion they can no longer deny. But when more children disappear, they’ll have to risk more than just their hearts. less