Authorities say the same suspect was responsible for Saturday’s mass shooting at Brown University and the Monday night murder of an MIT professor in Brookline, Mass. At a news conference Thursday night in Providence, that city’s police chief Col. Oscar Perez identified the Brown suspect as 48-year-old Claudio Manuel Neves Valente.At a separate news conference in Boston, U.S. Attorney for Massachusetts Leah Foley said Valente, a Portuguese national, is also believed to be the gunman who killed MIT physicist Nuno F.G. Loureiro.Ted Docks, the Special Agent in Charge of Boston’s FBI field office, told the press a search warrant was...