Terrifying on Instagram: "In 2010, Russian illegal agent Mikhail Semenko was recorded by FBI surveillance conducting a dead drop in a park in Arlington, Virginia. Semenko, who lived in the U.S. under his own name and worked for a Russian travel agency, was part of a network of deep-cover operatives known as the “Illegals Program.” The footage, part of a multi-year FBI investigation codenamed “Ghost Stories,” shows Semenko wearing athletic clothes and carrying a shopping bag. He walks to a seclud