A visiting Harvard Law School professor who said he was hunting rats with a BB gun near a Brookline synagogue, causing hundreds of congregants to hide in fear, is now on pre-trial probation, court records show. Carlos P. Gouvea was arrested by Brookline police on Oct. 1 after a security officer at Temple Beth Zion heard two loud pops and found the Brazilian lawyer hiding behind a tree with a BB gun, records show. At the time, services for the first night of Yom Kippur, the holiest day on the Jewish calendar, were underway inside the temple on Beacon Street...