The EEOC has posted information about the
Enforcement Guidance on the Consideration of Arrest and Conviction Records in Employment Decisions Under Title VII of the Civil Rights Act of 1964:
http://www.eeoc.gov/eeoc/newsroom/wysk/arrest_conviction_records.cfm and
http://www.eeoc.gov/laws/guidance/qa_arrest_conviction.cfm. This guidance updates and supersedes earlier policy statements on this issue.