2007 bias incidents
In Fall 2007 a series of "bias incidents" struck campus. These included racist and anti-Semitic symbols left in public locations around Columbia by unknown individuals. They remain under investigation.
SIPA bathroom incident
Graffiti was found in a bathroom of the International Affairs Building, home of SIPA, which called for the destruction of Muslim countries.
Teachers College noose incident
On October 9, 2007, a noose was found on the door of a Teachers College professor, causing widespread protests due to the perception that the incident was racially-motivated.
Swastika incident
A swastika was also found on campus, shortly after the Teachers College incident.