Just your average Pittsburgh soccer mom, baking brownies and carrying a loaded forty-caliber Glock...

Lucille Teresa Guardino. A woman of many identities. Lucille to her doting mother, Lulu to her devoted husband, Mom to her pre-teen daughter, Lucy to her friends, LT to her co-workers, and Supervisory Special Agent Guardino to the criminals she captures for the FBI's Sexual Assault Felony Enforcement squad. A loving mom and wife, dutiful daughter,

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FBI special agent Lacey Sherlock satisfies an old grudge when she apprehends the String Killer, a man credited with murdering her sister seven years before, but a closer examination of the clues has Lacey wondering whether the String Killer is guilty of Belinda's death--and if not, who is?

FBI agent Ford "Mac" MacDougal becomes caught in a mysterious web of evil when he rushes to the small town known as The Edge to be with his sister who is in a coma after driving her car off a cliff, only to have her wake up and then disappear.

FBI agents Dillon Savich and his wife Lacy Sherlock become involved in a dangerous and very personal investigation when they rush to Dillon's sister Lily's side after what appears to be a suicide attempt only to discover she is the target of a far-reaching conspiracy centered on eight valuable paintings left to Lily by her grandmother.

When six-year-old Sam Kettering is kidnapped and then manages to save himself, Savich and Sherlock join his father-former FBI agent Miles Kettering-to determine why Sam would be abducted and brought to eastern Tennessee. Although the local sheriff, Katie Benedict, kills the kidnappers, the attempts do not stop. The investigation leads them to charismatic, intense evangelist Reverend Sooner McCamy and his enigmatic wife.

Barely surviving a motel bombing while trying to rescue a kidnapped entertainer, FBI agents Dillon Savich and Dane Carver find themselves working against an unstable villain with designs on their families and fellow agents.

FBI Special Agent Jackson Crowne is flying his Cessna over the Appalachians, with a very important passenger: renowned psychiatrist Dr. Timothy MacLean; their destination is Washington, D.C. Upon their arrival, the FBI will protect the doctor--and ascertain just who wants him dead. But they dont́ make it. In San Francisco, married FBI Special Agents Dillon Savich and Lacey Sherlock take an early morning phone call from their supervisor, Jimmy Maitland....

FBI agents Dillon Savich and Lacey Sherlock are back in this electrifying thriller as they attempt to keep Autumn Backman, a seven-year-old telepath, from falling into the hands of her uncle and his growing army of exploited children.

A female serial killer is on the loose, and it's up to FBI agents Dillon Savich and Lacey Sherlock to track her down -- and stop her before it's too late. There's evidence that the woman, Kirsten Bolger, has a killer bloodline, too: a connection to the notorious Ted Bundy only complicates the case. But the crack team of Savich and Sherlock are on it -- and better than ever. At the same time, Special Agent Lucy Carlisle learns from her dying father...

FBI Special Agent Griffin Hammersmith, last seen in Backfire, has been recruited by Dillon Savich to join his unit in Washington, D.C. Savich sees something special in Hammersmith, an almost preternatural instinct for tracking criminals. While on his way to D.C., Hammersmith plans to visit his sister, Delsey, a student at Stanislaus School of Music in Maestro, Virginia. Before he arrives, he gets a phone call that Delsey was found naked, unconscious,...