DANBURY — Five people are facing charges after police watched a drug deal inside a car at a Main Street housing complex last week, authorities said. Marks, Richter, and Henry, were each charged with illegal sale of a controlled substance, possession of narcotics, distribution of a controlled substance within 1,500 feet of a school and use of drug paraphernalia. Perez and Vicente were each charged with possession of narcotics, conspiracy to possess narcotics, conspiracy to commit illegal sale of a controlled substance, and conspiracy to commit distribution of a controlled substance.