Disturbing clues emerge from Portuguese hometown of MIT assassin amid search for motive: 'He was always a little strange'...
By SOPHIE CARLIN IN ENTRONCAMENTO, PORTUGAL, and DANA KENNEDY IN BROOKLINE, MASSACHUSETTS For years, Claudio Valente was considered the most gifted Portuguese physicist of his generation. But in the end, it was a former classmate, Nuno Loureiro, who built …