Law & Order: Special Victims Unit (1999)

S5E13 Hate

A young Arab woman is viciously raped and set on fire, prompting detectives to look into her husband and mother-in-law as potential suspects. Meanwhile, a man charged with the murders of three Arabs argues that his genetics and biology made him prone to hatred and aggression. However, as the investigation unfolds, the detectives begin to reveal the true motivations behind these brutal killings.