Callahan Confidential Books in Order

Pregnant witness Kari Danville survives an attack on her safe house before a bank robbery murder trial. FBI agent Marc Callahan must protect her while questioning who can be trusted, even among their fellow officers.

An attack leaves prosecutor Madison Callahan with amnesia shortly before a drug trafficking trial. Officer Noah Sinclair protects her, but recovering her memories may also reopen the painful history that has damaged his trust.

Detective Miles Callahan arrives to question his former wife about a murder, then must save her daughter from a gunman. The child's inability to speak after a frightening video call complicates their search for answers.

Fire investigator Mitch Callahan finds his former girlfriend dead and becomes the prime suspect in her murder. Widowed nurse Dana Petrie believes he is innocent, but supporting him risks both her safety and her guarded heart.

After overhearing her sister's murder, Lacy Germaine flees with her nephew, fearing the child's father is responsible. Canine officer Matt Callahan must decide whom to trust while protecting them from an escalating pursuit.

Private investigator Mike Callahan must protect his former fiancée Shayla O'Hare and her child from attackers. The danger may connect to his father's murder, while discovering the boy is his son raises the stakes further.