Walsh said that when he worked with the Patriots, a very limited number of people within the organization were privy to details about the team's video practices, notably video director Jimmy Dee and Ernie Adams, Belichick's prep school friend and right-hand man.
Walsh said that during his tenure in New England, no taping was done without Dee's knowledge.
As for the prospect of Adams sharing insight into the suspicious practices, Walsh said: "You've got a better chance of him telling you who killed JFK than anything about New England. There are lots of stories there. He told me stories of things they used to do in Cleveland [where Adams assisted Belichick with the Browns]."