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Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

February 2, 2026

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In thrillers, there’s often conflict between law enforcement agencies, whether federal, state, or local.

But in romantic suspense novels, love often develops between agents when working closely on a case. Whether it’s local police working with federal agencies, FBI working with CIA, or branches of the military working with civilian agencies, high tension can turn into romantic tension.

In these eight romantic suspense novels, you’ll find agents sparring, collaborating, and falling in love.

If you’re participating in the Crazy4Fiction Reading Challenge, pick a book to fulfill the law enforcement agencies working together prompt!


Edge of Truth by Janice Cantore cover image | Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

Edge of Truth


By Janice Cantore


Police and FBI


When detective Lainie’s sister goes missing in Hawaii, she sets out to discover the truth. FBI Special Agent Ben has been working hard on a money laundering case. When Ben’s and Lainie’s investigations converge, Lainie is not eager to work alongside Ben given their complicated history. But she’s willing to do so if it means finding out what happened to her sister.

The Negotiator by Dee Henderson cover | Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

The Negotiator


By Dee Henderson


Police and FBI


Hostage negotiator Kate meets FBI agent Dave when he’s a hostage at a bank robbery. When Kate starts getting threats from a stalker, Dave takes her case. As they get closer, they each have reasons for wanting to keep their distance. Another complication in their budding relationship? Kate’s six first responder siblings, who each have their own thoughts on Kate’s safety.

High Treason by DiAnn Mills cover | Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

High Treason


By DiAnn Mills


FBI and CIA


FBI Special Agent Kord is the lead on a foreign prince’s protective detail. But after an assassination attempt, CIA operative Monica is brought in. Kord and Monica must put aside interagency squabbles to protect the prince. Especially when they realize the would-be assassin always seems to be one step ahead of them, implicating someone close to the prince—or the investigation.

True Honor


By Dee Henderson


CIA and Navy SEALs


CIA officer Darcy St. James is after a man who chose to profit from a terrorist attack. Navy SEAL Sam “Cougar” Houston is busy: The intelligence Darcy is generating has his team deploying around the world. Under the pressure of war, their romance flourishes.

Deep Extraction by DiAnn Mills cover | Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

Deep Extraction


By DiAnn Mills


FBI and US Marshals


After an oil rig bombing, FBI Special Agent Tori is charged with untangling the conspiracy. The case is the biggest of her career, especially as she tries to clear her best friend’s name. Tori finds an unexpected ally in Deputy US Marshal Cole Jeffers. As Tori and Cole dig deeper, they uncover more than they bargained for.

True Valor by Dee Henderson cover | Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

True Valor


By Dee Henderson


Navy and Air Force


Gracie is a Navy Pilot; Bruce works Air Force Pararescue. With dangerous jobs—often away from home—they write love letters. When Gracie is shot down behind enemy lines, Bruce has one mission: get her out alive.

Flee the Night by Susan May Warren cover | Romance on the Job: 7 Multi-Agency Romantic Suspense Novels

Flee the Night


By Susan May Warren


CIA and Green Beret


Ex-CIA operative Lacey Montgomery is a liar, a murderer, and a fugitive—or is she? Former Green Beret Jim Micah must either prove her innocence or bring her to justice. Too bad his heart won’t stay out of the way. With a little girl’s life and national secrets hanging in the balance, Jim and Lacey must trust God to help them flee the secrets of the night.

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