Unknown Subject

Synopsis

The team is called to Texas to search for a serial rapist in Houston known as "The Piano Man" who has returned and is attacking his past victims. Meanwhile, Prentiss begins to deal with the traumatic experience caused by Ian Doyle after returning to the BAU.

Guest stars

Jay Karnes

Hamilton Bartholomew

Dina Meyer

Regina Lampert

Judith Hoag

Diana Mitchell

Matthew Alan

Herman Scobie

Penny Peyser

Dr. Linda Merrill

Daniel Hagen

Dr. William Shaw