‘Signs Of A Psychopath’ Preview Sunday On Investigation Discovery

I Could Hear Her Calling My Name premieres Sunday, October 4 at 10:30/9:30c A young girl disappears after school. Her last known steps are caught on surveillance cameras, which lead investigators to two people with incredibly dark minds who carefully plotted one of the most depraved crimes imaginable.

· New Episode premieres Sunday, October 11 at 10:30/9:30c