John Sherman Cooper — American Politician born on August 23, 1901, died on February 21, 1991

John Sherman Cooper was a politician, jurist, and diplomat from the U.S. state of Kentucky. He served three non-consecutive, partial terms in the United States Senate before being elected to two full terms in 1960 and 1966. He also served as U.S. Ambassador to India from 1955 to 1956 and U.S. Ambassador to East Germany from 1974 to 1976. He was the first Republican to be popularly elected to more than one term as a senator from Kentucky and, in both 1960 and 1966, he set records for the largest victory margin for a Kentucky senatorial candidate from either party... (wikipedia)

I don't think anybody ever thought about the CIA meddling in internal affairs. The shock of the President's death called for an immediate investigation. It actually lay in the jurisdiction of Texas.
It was determined, as shown in the report of the Commission, which I can read to you, but I know you are familiar with the report. It states there was disagreement on this issue, particularly as the subject was debated, that there were different opinions about it.
Now, people have said that somebody told them that they saw somebody on the railroad bank or saw somebody going over the bank, but no one has ever been able to show any cartridges, any rifle, any pistol, no one has ever found anything other than the evidence about Oswald.
The original judgment of the FBI, the Secret Service, and the CIA was that there were three shots. I don't think that convinced us except as a statement by people, many of them who were familiar with ballistics. This question troubled me greatly.
We provided complete protection to witnesses - right of attorney, right of record, right to cross-examine, and open hearing if they desired. Only Mr. Lane asked for an open hearing.