The Ryzhkov Vendetta, an espionage suspense thriller by Barry L. Becker.
Alexander Leonidovich Ryzhkov, a Russian oligarch and former general in the Russian Military Directorate (GRU), runs a covert operation in the Middle East, supplying a Saudi terrorist with four Russian nuclear suitcase bombs and a list of two American cities to target. A CIA operation thwarts the planned attack and kills many Russian agents, including his brother. The oligarch is out for revenge.
After receiving intelligence disclosing the names of the CIA operatives responsible for destroying his operation, he launched his vendetta. The targets are Mark Ericksen and two operatives who live in the Portland, Oregon area. Can Ericksen and his former team avoid the assassins’ poisoning efforts and turn around the deadly game of hunter and prey?