Teacher: A Lasting Impression of Evil

A shocking murder streamed live on the Internet. A huge and inexplicable web of conspiracy and mayhem. A powerful and enigmatic figure who mysteriously controls thousands of loyal followers. A young and inexperienced math teacher tapped by the cops to give meaning to the statistically impossible. Ian Ruby must not only understand what may be the most evil cult that ever existed, but stop their diabolical leader before he loses everything.