Books like Sworn to Silence by Linda Castillo

A 2012 crime thriller that explores a marriage in turmoil as one wife disappears, leaving her husband to confront suspicion and secrets.

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Two isolated individuals flee a clandestine, illegal agency with a secret fascist agenda, chased by a ruthless operative who wields full governmental power.

Thirteen‑year‑old Johnny Merrimon’s world shatters when his twin sister Alyssa disappears. Alone and determined, he believes she is still alive, forcing him to confront family secrets and strangers who doubt him.

In Small Plains, Kansas, a blizzard uncovers a dead teenage girl whose legend sparks miracles, disappearance, and buried secrets that resurface two decades later, forcing the town to confront faith, trust, and redemption.

A gripping psychological suspense novel set in Dublin, focusing on two detectives investigating a series of murders in the woods.

"I very much need to be dead." These are the chilling last words left by a man who had everything to live for but took his own life. In the void that remains stands his widow, FBI agent Jane Hawk, surrounded by questions destined to go unanswered unless she does what all the grief and fury inside her demand: Find the truth, no matter what. People of talent and accomplishment, people seemingly happy and sound of mind, have recently been committing suicide in surprising numbers. A disturbing pattern is beginning to emerge. Jane is determined to give up everything to find out why. And if that means going rogue and becoming America's Most Wanted, then so be it. Those arrayed against her are legion, and devoted to protecting something profoundly important-or terrifying-enough to exterminate any and all in their way. But Jane is as clever as these enemies are cold-blooded, as relentless as they are ruthless. And she is driven by a righteous rage they can never comprehend. Because it is born of love.