EXPOSED: FDA Sought Fetal Heads for Humanized Mice Experiments Judicial Watch received 198 pages of records and communications from the U.S. Food and Drug Administration (FDA) involving “humanized mice” research with human fetal heads, organs and tissue, including communications and contracts with human fetal tissue provider Advanced Bioscience Resources (ABR). Most of the records are communications and related attachments between Perrin Larton, a procurement manager for ABR, and research veteri