In 1966, Life magazine exposed the abuse of dogs at the hands of animal dealers, prompting public outrage.
In 1981, authorities seized Rhesus monkeys from a private research institute in Silver Springs, MD and charged the director with cruelty to animals.
In 1984, televised portions of experiments involving baboons at the Head Trauma Laboratory at the University of Pennsylvania revealed the suffering of inadequately anesthetized animals, compounded by a cavalier attitude toward the animals' suffering.
