[s1e2] Compulsion (2025-2027)

The BAU is called in after a series of fires at a local university result in the death of a student named Matthew. Initial evidence is scarce because fire often destroys physical clues, forcing the team to rely heavily on psychological profiling to find the "unsub" (unknown subject).

: 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 [S1E2] Compulsion

The episode follows the show's signature style of beginning and ending with philosophical quotes: "Compulsion" - Season 1, Episode 2 - Criminal Twats The BAU is called in after a series