When a murdered woman's body is discovered in the park, her hair completely shaved off, private investigators Jake and Annie Lincoln find themselves in the middle of a manhunt for a serial killer.
As the relentless killer continues to strike, the Lincolns race to apprehend the madman before another innocent woman becomes a victim of his sadistic obsession.
About This Mystery Series
Book 1: Blood and Justice
Book 2: Cold Justice
Book 3: Justice for Hire
Book 4: Captive Justice
Book 5: Justice Overdue
Book 6: Justice Returns
Book 7: Personal Justice
...

When sixteen-year-old Jenny James goes missing, and the local police are unable to find her, the girl's frantic mother hires private investigators Jake and Annie Lincoln to search for her daughter.
When the body of Jenny's boyfriend is discovered, the mystery of her disappearance deepens. Shaken out of their comfort zone of Internet searches and poring over public records, the couple soon find themselves facing the frightening possibility they are looking for the latest victim of a serial killer.
As more bodies pile up, the town is gripped with fear. It seems no one is safe, and the...

Late one night, an emotionally disturbed woman, Abigail Macy, witnesses a murder. She reports what she saw to the police, but out of fear the killer will return to eliminate her as a witness, she keeps quiet about his identity. When the police investigate her claim, they find no evidence of a crime and, influenced by her psychiatrist's diagnosis that she was delusional, they close the case.
Abigail's condition deteriorates, and she shuts herself away, withdrawn and distraught, refusing to speak to anyone except the occasional word to her husband. To ease her tormented mind, he hires...

A young girl who has been missing for eight months suddenly reappears and commits a heinous murder. She claims not to know why she did it, or where she has been for the last few months. The girl's desperate parents hire private investigators Jake and Annie Lincoln to find the truth behind their daughter's disappearance, and why she would return and kill a stranger in cold blood.
An ex-con, who had seemingly turned his life around, becomes the next victim when a young boy shoots him, then casually holds the gun to his own head and pulls the trigger. An aspiring city councilor is executed...

When a woman is abducted and the self-proclaimed "Merchant of Life" demands strict adherence to his impossible terms, the police are perplexed.
Private investigators Jake and Annie Lincoln are drawn into peril when the kidnapper demands Jake deliver the ransom money. The exchange takes place as planned, but when the abducted woman's body is discovered brutally murdered, the search for an unpredictable madman begins.
As the kidnappings continue, the Lincolns' own lives are put in jeopardy as they scramble to unweave this baffling puzzle before the treacherous murderer can claim more...

Private investigators Jake and Annie Lincoln make plans to take a break away from their hectic schedule and relax. The family's goal of a peaceful weekend spirals into chaos when an escaped convict creates havoc and threatens the lives of everyone around him.
The trail of destruction leads from a sleepy town to the untamed northern wilderness, where the Lincolns' own lives are endangered by the most unpredictable creature of all, the ruthless and inhumane Varick Lucas.
About This Mystery Series
Book 1: Blood and Justice
Book 2: Cold Justice
Book...

In this much-requested sequel to Blood and Justice, the first book in the series, private investigators Jake and Annie Lincoln are drawn into double jeopardy when a serial killer escapes from prison and hires them to find out who killed his parents, and why.
The detectives' own lives are at stake when they find themselves caught in a dangerous and deadly situation, torn between their moral obligation to investigate the cold case murders of the two innocent victims, and to catch the cold-blooded killer who hired them.
About This Mystery Series
Book 1: Blood and Justice
Book...

When a man is brutally murdered and the suspected killer has disappeared, the family of the victim hire private investigators Jake and Annie Lincoln to track down the missing murderer.
A dangerous and deadly pursuit begins, in which both the hunted and the hunters become embroiled in a lethal conflict that could result in the Lincolns forfeiting their own lives in their battle to bring a ruthless killer to justice.
About This Mystery Series
Book 1: Blood and Justice
Book 2: Cold Justice
Book 3: Justice for Hire
Book 4: Captive Justice
Book 5: Justice Overdue
...

After the gruesome murder of a school counselor, the victim's overwrought husband hires private investigators Jake and Annie Lincoln to track down the young suspect wanted for the brutal murder.
The senseless slaughter continues as the distraught fugitive struggles to retain his sanity and control his unstable mind while striving to evade a police manhunt.
The Lincolns' own lives are put in danger when their search finally brings them face to face with the desperate man, who seems determined to inflict revenge on his enemies at all cost.
About This Mystery Series
Book 1:...

Private investigators Jake and Annie Lincoln find themselves up against the law when a routine stakeout ends in the shooting of an innocent woman. With the evidence mounting against Jake, he becomes a fugitive on the run from justice with only Annie to turn to.
With the police hard on Jake's trail, and the public on the watch, the Lincolns are drawn into a dangerous and desperate situation as they battle to expose the truth and prove Jake's innocence before the police manhunt tracks him down.
About This Mystery Series
Book 1: Blood and Justice
Book 2: Cold Justice
Book...