David J. Walker Books in Order

Chicago investigator Malachy Foley is hired by a politically ambitious lawyer to locate the son she placed for adoption decades earlier. Threats against him suggest more than a family reunion is at stake, drawing him into a violent vendetta involving corruption and concealed motives.

Mal Foley accepts a threatened woman's case at his estranged wife's urging and discovers the danger centers on her missing basketball-player brother. As murder and withheld information complicate the search, kidnappings force Mal toward a terrible choice between protecting his clients and sacrificing the man he found.

A private investigator and her lawyer husband join forces after a young woman's murder draws them into a dangerous case. As they examine the circumstances of her death, possible links to organized crime threaten to make their search for answers more complicated than it first appeared.

Private investigator Mal Foley becomes involved in an assault case concerning a former high-school classmate. What appears to be a weak accusation develops into a confrontation with Chicago organized crime, forcing him to investigate beyond the evidence that first drew him toward his old acquaintance.

Bishop Peter Keegan hires Kirsten and Dugan to investigate messages threatening to expose a secret from his past. Their search pulls the married investigators into danger involving the bishop's estranged police-chief brother, as hidden connections make it increasingly difficult to distinguish threatened victims from possible perpetrators.

Kirsten and Dugan investigate money missing from a group campaigning to preserve Emerald Woods. What initially appears to be a minor theft grows dangerous when threats and the interests of a powerful Chicago developer suggest the dispute over the land conceals far more serious wrongdoing.

Mal Foley petitions to regain the law license he lost for protecting a client, refusing the remorse demanded by the court. Escalating threats suggest someone fears the hearing will uncover the truth about an old shooting, forcing him to pursue justice despite the consequences.

Kirsten worries about her disgraced former-priest uncle after a newspaper publishes names of clergy accused of abuse and one is murdered. With her husband Dugan, she searches for a killer whose attacks may be linked to public allegations, personal revenge, or secrets still concealed.

After witnessing a shooting in downtown Chicago, Charlie Long rescues the young boy the victim was protecting and runs. The child's unsettling silence offers few answers as Charlie becomes entangled in a deadly international struggle over a boy whose importance he does not yet understand.

After a compromised Chicago police officer is murdered, lawyer Dugan's disregard for rules makes him a suspect. His investigator wife Kirsten takes his case despite the personal conflict, then acquires two additional clients whose professed interest in finding the killer may conceal competing aims.

Retrieving a towed car, Dugan intervenes in an apparent abduction, only to discover the woman he rescues resents his help. When she later disappears, he and investigator wife Kirsten explore her connection to a senator's son and the possibility of a deeper political scheme.

Priest Paul Clark's promising career is threatened when decisions from his youth return to haunt him. A woman claiming federal connections offers help at a dangerous price, drawing him through violent assignments across several countries as he struggles to protect someone he loves.