KnockOut: An FBI Thriller, Book 13

Seven-year-old Autumn Backman reaches out for help after a terrifying encounter with her uncle, Blessed, a madman with the ability to control others. When Special Agent Dillon Savich and Sherlock respond to her call, they uncover a dangerous threat rooted in her family’s past. As Autumn, her mother, and a sheriff go into hiding, a tense race against madness begins to prevent a deadly pursuit.