The Richards panel tosses a curve.

Reports on the current status of the misconduct investigation of AIDS researcher Robert Gallo. The `Richards committee' investigating Gallo has reportedly unanimously charged Gallo with `intellectual appropriation' of a French viral isolate in his search for the cause of AIDS. Claims of Gallo's `pattern of misrepresentation'; Committee's criticisms of National Institutes of Health's (NIH) Office of Scientific Integrity (OSI) handling of the investigation; Responses.