Compulsioncriminal Minds : Season 1 Episode 2 Instant

The investigation leads to , a chemistry student who survived a traumatic house fire as a child. She believes she is testing her victims' purity through fire.

Clara traps three classmates in a science building elevator on the third floor, dousing them with chemicals and preparing to set them ablaze. CompulsionCriminal Minds : Season 1 Episode 2

Fires are set in patterns of three (e.g., the first on March 3rd at 3:00 PM), and the unsub performs ritualistic actions in threes, such as turning doorknobs or repeating words. The investigation leads to , a chemistry student

The team struggles because the perpetrator doesn't fit the standard profile of a male arsonist motivated by power or revenge. Dr. Spencer Reid eventually identifies the motive as —a form of Obsessive-Compulsive Disorder (OCD) involving religious or moral obsession. Fires are set in patterns of three (e

The team originally misinterprets a distorted tip-line message as "I do this for Karen," but later realizes she is saying "Charon"—the ferryman of the dead in Greek mythology. The Unsub: Clara Hayes