He went searching for the truth. Now a killer has found him.
The more you know, the more there is to fear…

Four years ago, 15-year-old Ellen Vicksburg went missing in the quiet town of River Remez, New Mexico. Ellen was kind, studious, and universally liked. Her younger brother, Ben, could imagine nothing worse than never knowing what happened to her—until, on the first anniversary of her disappearance, he found her body in a shallow grave by the river’s edge.

Ben, now 16, is committed to finding the monster who abducted and strangled Ellen. Police believe she was the victim of a psychopath known as the Demon. But Ben—a math geek too smart for his high-school classes—continues to pore over the evidence at the local police precinct, gaining an unlikely ally in his school’s popular new girl, Ro Majors. In his sister’s files, Ben’s analytical mind sees patterns that don’t fit, tiny threads that he adds t