A "psychic" comes forward offering assistance in solving a double homicide. The team needs Patrick's expertise in the situation, but he has disappeared while coping with his subsequent fears for Lisbon's safety.
Did You Know?
Every title of an episode has always involved a color (which was always red before Red John was finally killed). While this title "Byzantium" may seem to not fit, it is an actual color name, used for one of the many shades of dark purple. See more
That's a very clever trick.
It's not rocket surgery.