Question: What naturally occurring neurotransmitter and a psychoactive drug did Andrew Luster use to commit multiple sexual assaults?
Sentence (from "Gamma-Hydroxybutyric acid"): It is a precursor to GABA, glutamate, and glycine in certain brain areas, and it acts on the GHB receptor and it is a weak agonist at the GABA receptor.
Relevant evidence: No