However, the mole is passing substantive material, including American intelligence, to Polyakov, his handler, whilst Polyakov's material had just enough substance to persuade the CIA to share information with the British.
However, the mole is passing substantive material to Polyakov, his handler had just enough substance. This was including American intelligence. This was to persuade the CIA to share information with the British. Whilst Polyakov's material was his handler.