[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

: 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. [S1E2] Compulsion

The episode follows the show's signature style of beginning and ending with philosophical quotes: "Compulsion" - Season 1, Episode 2 - Criminal Twats : Clara is revealed as a delusional serial