[JURIST] The Council on American-Islamic Relations [advocacy website], the New York Civil Liberties Union [advocacy website] and the American Civil Liberties Union [advocacy website] filed a federal lawsuit Wednesday against the Department of Homeland Security [official website], saying DHS unlawfully detained, interrogated, fingerprinted and photographed a group of Muslim-American citizens who were returning from the 2004 Reviving the Islamic Spirit Conference in Canada. According to the complaint [PDF text], the treatment violated the plaintiffs' constitutional rights to practice religion and against unlawful searches. At the time of the incident, a Customs and Border Protection spokesperson said that agents were acting on information that Islamic conferences like the one the plaintiffs attended can be a means for terrorists to promote their cause. Read the NYCLU press release on the lawsuit and more from AP.