The use of chemicals to blind or maim victims as surrogates for a childhood rejection is brutal.
Watching Criminal Minds Season 7, Episode 2 ("Proof") is a heavy experience, both for the case and the team dynamics.
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To help mend the fractured team, Rossi hosts a cooking lesson, leading to a rare, sweet moment of bonding over spaghetti carbonara.
The BAU travels to Durant, Oklahoma, to track a particularly unsettling unsub who "robs" young women of one of their five senses using sulfuric acid. The episode is frequently cited by fans as one of the creepiest in the series, featuring a villain whose developmental disorder makes his capacity for viciousness feel even more chilling.