ARLINGTON — Chief Julie Flaherty shares that the U.S. Department Justice has announced that e arlier today , an indictment was unsealed charging a Massachusetts man for allegedly 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, AGE 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 for making false statements in a matter involving domestic terrorism; falsifying, concealing and covering up...