have friends of all races and do not form discrimination. i was singing along to a trinidad song but understands how the video must appear in the context of the events that occurred this week. >> the only mom b i know who treated all of u regardless of the color of our skin economic background where we came from, she treated us all with dignity, respect and love. >> reporter: joshua joined this sae chapter more than 15 years ago. he said the fraternity was diverse and the racist chant is not part of the frat's tradition. >> when i was here i had no knowledge of the existence of that chant. >> you never heard it? >> i never heard it. i never read it. >> reporter: this hasn't been ongoing in this chapter for many years. >> reporter: several people say that most of the students on that video are freshmen and did