Concern over jailhouse conversions to Islam first rose in 2001 when Imam Warith Deen Umar , Islamic chaplain for the New York State prison system , was reported to have praised the September 11 attacks ; in response members of Congress called for an investigation . In a 2004 report , the Justice Department faulted the prison system for failing to protect against “ infiltration by religious extremists . ” However , the report made clear that the problem was not chaplains , but rather unsupervised inmates
September 11 attacks
September 11 attacks
Conversion to Islam in U.S. prisons