Three professors , one former , at Columbia University received hate mail this week . Jewish psychologist at Teachers College among those receiving mail . No arrests have been made . In 2007 , same psychologist 's office window was spray - painted with a swastika . FBI Hate Crimes Unit is leading investigation ; no arrests made .
Three professors , one former , at Columbia University received hate mail this week . Jewish psychologist at Teachers College among those receiving mail . In 2007 , same psychologist 's office window was spray - painted with a swastika . FBI Hate Crimes Unit is leading investigation ; no arrests made .