His lawyer has his own ideas while his chronicler glimpses his real feelings. Can the truth about the past — or an enigma's present — be understood?

Observed at a psychiatric hospital and composed in court, the accused remains a locked box and offers few clues. Now the therapist revisits his case.

A calm, bespectacled suspect reenacts the massacre and says an odd entity made him do it. But his lawyer has a theory about a real motive.

In 1986, police discover a grisly crime scene: a family shot in their beds at point-blank range. The mystery deepens when a sole survivor appears.