“Nobody saw the need. To all appearances, it’s not a major bank, not worth knocking over. Besides, after 1902, when they sealed off the underground approach, there wasn’t a back entrance anymore. And in respect of the bank’s security, the charitable trust that owns the Snow Mansion agreed not to disclose Cornelius’s tunnels. A few people in the historical society have seen them, but only after signing a nondisclosure agreement with teeth.”
