The acoustic evidence in the Kennedy assassination Michael O'Dell In 1978 the House Select Committee on Assassinations (HSCA) concluded that there was probably a conspiracy to kill President Kennedy(1). This conclusion was primarily based on acoustic evidence contained in Dallas Police Department radio recordings. An NRC panel later disputed the HSCA conclusions. In 2001 D. B. Thomas(2) published a paper that rehabilitated the original findings. This report demonstrates that the prior reports relied on incorrect timelines, and made unfounded assumptions that when corrected do not support the identification of gunshots on the recording. History In 1978 the House...