Who concluded that the secret service was deficient in the performance of it 's duties during the Kennedy assasination ?
Palamara reports that Secret Service driver Sam Kinney told him that requests — such as removing the bubble top from the limousine in Dallas , not having agents positioned beside the limousine 's rear bumper , and reducing the number of Dallas police motorcycle outriders near the limousine 's rear bumper — were not made by Kennedy .