June 7, 2002
Source: Yahoo News
http://story.news.yahoo.com/news?tmpl=story&u=/nm/20020604/ts_nm/attack_lawsuits_dc_5
On June 7, 2002 Yahoo News reported that "civil rights groups filed lawsuits against four major airlines... alleging discrimination against five men who were removed from flights after the Sept. 11 attacks because they looked Middle Eastern."