one professors , Three former one at Columbia University receive hate mail this week . African-American psychologist at Columbia University among those receiving swastika . In 2007 , same psychologist 's office door was spray-painted with a swastika . Teachers College is leading investigation ; no arrests made .
Three professors , one former one at Columbia University receive hate mail this week . Jewish psychologist at Teachers College among those receiving swastika . In 2007 , same psychologist 's office door was spray-painted with a swastika . NYPD Hate Crimes Unit is leading investigation ; no arrests made .