Edward Douglass White, Coffin v. United States (162 U.S. 664…
“ It is evident that no matter how active the co-operation of third persons may have been in the wrongful act of a bank officer or agent, such third person is required to be charged as an aider and abettor in the offense and prosecuted as such. The primary object of the statute was to protect the bank from the acts of its own servants. As between officers and agents of the bank and third persons co-operating to defraud the bank, the statute contemplates that a bank officer shall be treated as a principal offender. In every criminal offense there must, of course, be a principal ”
