Fast Facts IQ on Instagram: "Dean Corll, infamously nicknamed the “Candy Man,” was a serial killer who preyed on teenage boys and young men in Houston, Texas, during the early 1970s. His outward image was one of friendliness and normalcy. Through his family’s candy company, he became known for handing out free sweets to children in the neighborhood, a gesture that gave him an almost trusted reputation. Beneath this mask, however, he was concealing one of the darkest crime sprees in American hist