Three professors , one former , at Columbia University received hate mail this week . Jewish psychologist at Teachers was among those receiving swastika . Three professors and a former professor at Columbia University 's Teachers College received hate mail this week , the New York Police Department said . In 2007 , same psychologist 's office door was spray - painted with a cross . NYPD Hate Crime Unit is leading investigation ; no arrests made .
Three professors , one former , at Columbia University received hate mail this week . Jewish psychologist at Teachers was among those receiving swastika . In 2007 , same psychologist 's office door was spray - painted with a cross . NYPD Hate Crime Unit is leading investigation ; no arrests made .