The Defector (en Inglés) - Stephen Myler

Matt is now head of psychological investigations with Special Branch. In the USA a crisis happens when the CIA chief in the Ukraine goes missing. Matt is tasked with going to Langley in the US to help the CIA interview a Russian defector. CIA operative Sonny Toombs is assigned to be his liaison agent. Matt finds himself in a strange world of espionage, lies and deceit - where will his skills as a criminal/forensic psychology lead to this time. From being the centre of intrigue in the USA to the battle fields of the Ukraine - someone is leading Matt down the rabbit hole of mystery and danger. Matt finds love in the most unusual places - Kiev?