The Spy And The Bermuda Cipher

Published in Ellery Queen Mystery Magazine, 06/1970 - Reprinted in the collection The Spy and the Thief.
Jeffery Rand investigates the murder of Jimmy King, one of his department's employees, at a house filled with 24 clocks representing different time zones. King was working on deciphering the "Bermuda Cipher," a complex message. Rand discovers the house was used as a Russian message center.