WASHINGTON, March 29 -- The U.S. Department of Justice issued the following news release: A Massachusetts man was arrested today in Hanson, Massachusetts, for allegedly possessing dogs for participation in a dogfighting venture at his Massachusetts home. According to the criminal indictment, John Murphy, 50, of Hanson, was charged on nine counts of possessing animals for use in an animal fighting venture, in violation of the federal Animal Welfare Act. At his home, Murphy possessed items assoc  more