The U.S. Department Justice has announced that an indictment was unsealed charging a Massachusetts man in obstructing an investigation into fires set in 2019 at Jewish-affiliated institutions, including religious centers in Arlington and Needham and a Jewish-affiliated business in Chelsea. Alexandar Giannakakis, 35, formerly of Quincy, was arrested by Swedish authorities in a Stockholm suburb, at the request of the United States. Giannakakis was indicted by a federal grand jury in Boston in connection with false statements in a matter involving domestic terrorism; falsifying, concealing and covering up a material fact in a matter involving domestic terrorism by trick, scheme...