" Etna filed an unsuccessful suit against McDonald’s, claiming that her husband’s rampage was caused by eating too many hamburgers and Chicken McNuggets—that the high levels of monosodium glutamate they contained interacted with the lead and cadmium he had built up in his system during his years as a welder. "

― John E. Douglas , The Anatomy of Motive: The FBI's Legendary Mindhunter Explores the Key to Understanding and Catching Violent Criminals