by John Marshall Harlan, Leather Manufacturers' National Bank v…
“ But where forged checks have been paid and charged in the account and returned to the depositor, he is under no duty to the bank to so conduct the examination that it will necessarily lead to the discovery of the fraud. If he examines the vouchers personally, and is himself deceived by the skillful character of the forgery, his omission to discover it will not shift upon him the loss which, in the first instance, is the loss of the bank. Banks are bound to know the signatures of their customers, and they pay checks purporting to be drawn by them at their peril. ”
