: An FBI Special Agent dealing with the recent death of his own estranged father. He is initially skeptical of Avery but becomes her protector as threats against her life escalate.

: Avery’s grandfather, Quinn Elliott, disappears shortly after the discovery, leaving her to question everything she knew about his integrity.

: A determined businesswoman who helps run her grandfather’s commercial construction company and family ranch. She struggles with her faith when her hero is accused of a heinous crime.

Concrete Evidence by DiAnn Mills is a high-stakes novel set against the rugged backdrop of a Texas ranch and a looming environmental disaster. The story follows Avery Elliott and FBI Special Agent Marc Wilkins as they untangle a web of murder, financial fraud, and family secrets. 📖 Plot Overview

: Avery’s grandfather and a former politician whose past connections and current actions drive the central mystery.