By THE STAR STAFF A federal grand jury indicted 81 members of the “Los Baja Deo” organization on drug trafficking and firearms charges, while 70 of them were arrested on Wednesday during an operation in Mayagüez and nearby municipalities, the U.S. Department of Justice reported on Thursday. “This is the type of collaboration that saves lives. So, this should serve as a warning to those who terrorize our communities,” U.S. Attorney General Todd Blanche said at a press conference. “Our Homeland…