A 21-year-old Hofstra student was killed early Friday morning by a shot fired by a Nassau County policeman. Andrea Rebello was being held at gunpoint by an intruder, when she was shot once in the head by the unidentified police officer, who also killed the home intruder.

In response to Long Island's <a href="http://gawker.com/385397/head+bashing-sorority-on-alleged-hazing-victim-she-punched-us-first

">Hofstra University sorority scandal, in which 19-year-old Courtney Holt said she was brutally hazed (the Phi Epsilon sorority responded that she was a mean drunk), a Hofstra alumn has…