For 10 points, name this body that investigated the assassination of John Kennedy, led by the namesake sitting Chief Justice.
This group relied on Public Law 88-202, and was indirectly advised by men like Alwyn Cole and Robert Frazier. One member of this group had lost to Alben Barkley in a Senatorial election, but became Senator of Kentucky after Barkley's death. John Cooper was joined in this group by the president of the World Bank, John McCloy, while James Lee Rankin served as their General Counsel. Also including a future House Majority Leader whose (*) plane mysteriously disappeared in Alaska, Hale Boggs, this group, whose last surviving member was Gerald Ford, was led by a man who also presided over Engel v. Vitale, Reynolds v. Sims, and Mapp v. Ohio. John Connally somewhat disputed the conclusion of this group, whose report included a biography of Jack Ruby, that the "lone gunman" explanation was the most plausible. For 10 points, name this body that investigated the assassination of John Kennedy, led by the namesake sitting Chief Justice.
This group relied on Public Law 88-202, and was indirectly advised by men like Alwyn Cole and Robert Frazier.
{Warren Commission} [prompt on things like “{Kennedy Assassination Commission},” etc.]