John Manchester said in his statement to Jim Garrison that the black Cadillac, seen in Clinton, was identified as being with the International Trade Mart. Here is his statement: Here is a very telling memo written by Jonathan Blackmer of the HSCA: Donald Carpenter, in his book Man of a Million Fragments, writes that: (page 365-366) "Shaw testified at trial that the International Trade Mart had never owned any vehicles. A review of balance sheets and other financial records for the Mart, from its inception through the 1960s, also shows no evidence of vehicle ownership or leasing by the Mart."