MASHANTUCKET, Conn. — Researchers say a set of newly discovered 12,000-year-old artifacts in southeastern Connecticut is one of the oldest in New England. The site located at Mashantucket Pequot Reservation was occupied by the Paleoindians. It is the fourth and oldest Paleoindian site found on tribal lands. Researchers from the Mashantucket Pequot Museum and Research Center and from the University of Connecticut Archaeological Field School made the discovery.