On December 13, 2007, in the small town of Lake Wales, Florida, Leon Davis Jr. walked into an insurance agency with a gun, duct tape, and gasoline. He demanded money, wrapped two women in tape, doused them with fuel, and flicked a lighter.

In what is considered part of the worst killing rampage in Polk County history, Resolve, Courage, Hope tells the true story of how Scott Headley picked up the pieces after a longtime client deliberately and viciously killed two of his employees, the aftershock of Davis's murderous rampage, court trials, night terrors, and regaining his sense of...