The map, the agents told him, was solid evidence that he was the Russian mole.

The Russian mole produced a key-ring and unlocked the pitted metal entry.

All of his targets are Russian moles.

(God only knew how long ago the Russian moles had infiltrated the American government!)

He had no idea who the Russian mole was, but the man was doing his job.

He had time to hide his car and jog overland, picking out his vantage point before the Russian mole arrived.

When the defector disappeared, he was in the process of making contact with a Russian mole.

Now he is accused of being one of them - one of the most successful Russian moles in American history.

It is about a Russian mole inside the CIA.

It was the butler who did it - or perhaps it was the Russian mole.