He spent decades deceiving his superiors in the SIS and MI5, a betrayal that remained unproven for twelve years after his colleagues fled to the Soviet Union.
By Vera Kessler ·
British security services failed to pin a spy to the wall for nearly three decades, allowing a senior SIS officer to compromise the West before escaping to the Soviet Union.
By Harlan Pryce ·
He burned assets and leaked secrets for nearly thirty years while climbing the ranks of SIS, a betrayal only confirmed after the fall of his colleagues.
By Harlan Pryce ·
British agents were fed to the Soviets while a high-ranking traitor operated in Washington; the full extent of the breach remained hidden until 1963.
By Constance Bell ·
From the halls of Cambridge to a senior post in Washington, one man deceived his country for nearly thirty years before fleeing to the Soviet Union in 1963.
By Constance Bell ·
British intelligence officers and American allies were blind to a mole in their midst for decades, a betrayal that persisted until a 1963 confession.
By Constance Bell ·
He climbed the ranks of the Secret Intelligence Service while serving Moscow, a betrayal that remained unproven until 1963 when he finally fled to the Soviet Union.
By Constance Bell ·
Western intelligence officers were fed to the Soviets while a senior SIS operative hid in plain sight, his true loyalty kept from MI5 for twelve years after his peers fled.
By Constance Bell ·
He betrayed his colleagues and his country for thirty years before a partial confession allowed him to vanish into the Soviet Union.
By Harlan Pryce ·
Western assets were exposed and intelligence networks burned by a mole who rose to a senior post in Washington before fleeing to the USSR in 1963.
By Constance Bell ·
Philby operated within the heart of British intelligence for over twenty years, and the evidence identifying him as a Soviet asset remained elusive until 1963.
By Harlan Pryce ·
He infiltrated the highest levels of the Secret Intelligence Service and operated out of Washington for years while his name remained in the "Personal (PF Series)" files of suspected agents.
By Vera Kessler ·
British officers and American allies were blinded by a mole who rose to senior rank before escaping to the Soviet Union after a partial confession.
By Harlan Pryce ·
For three decades, a high-ranking SIS officer leaked secrets to Moscow, an infiltration that remained a blind spot for MI5 until a partial confession in 1963.
By Constance Bell ·
An intelligence officer’s identity as a Soviet asset remained hidden from his superiors for over a decade, leaving Western networks exposed until his 1963 flight to Moscow.
By Vera Kessler ·