New Essay on the Medical Evidence by John Hunt A DEMONSTRABLE IMPOSSIBILITY: The HSCA Forensic Pathology Panel’s Misrepresentation of the Kennedy Assassination Medical Evidence Synopsis The House Select Committee on Assassinations’ Forensic Pathology Panel (FPP) examined the Kennedy assassination medical evidence and presented their analyses and conclusions in a formal report. As part of its investigation, the FPP sought to determine where a bullet or bullets exited President Kennedy’s head.