Death Was the Echo — Richard Dana

For Reg Forster, John Blaine, and Captain Ben Hastings of Wilshire Division's Homicide Bureau, LAPD, the discovery that a simple shooting-murder was part of a subversion and espionage ring was a shocker. They were strictly homicide detectives, not spy-catchers. But before the last corpse was left lying, all three of them had become spycatchers -- unwitting and unwilling ones -- but spycatchers, nonetheles.