This section is from the book "The Law Of Contracts", by William Herbert Page. Also available from Amazon: Commercial Contracts: A Practical Guide to Deals, Contracts, Agreements and Promises.
A threat causing duress may as well be made to A to be communicated to B,1 as be communicated to B in person. It will be equally operative as duress affecting B. It is said, however, that if a threat is made to one who is guilty of embezzlement, his communication of such threat to his wife does not amount to duress by such employer.2