[s1e2] Compulsion -

: Clara is revealed as a delusional serial arsonist who believes the number three has protective or spiritual significance. Her "compulsion" drove her to ensure everything occurred in sets of three, leading to the intentional deaths of those she believed "unbalanced" her rituals. Character Development

The second episode of Criminal Minds , titled "," originally aired on September 28, 2005. It takes the team to a college campus in Tempe, Arizona, to track down a serial arsonist who has escalated to murder. The Case: Arson on Campus [S1E2] Compulsion

: Gideon is shown recovering from his near-death encounter with the "Footpath Killer". He uses his experience as a teaching tool for students at Quantico, explaining how he bought time by analyzing the killer's stutter. : Clara is revealed as a delusional serial