article_snippet: A Polish man who tried to sell secret nuclear submarine documents Marcin Kostrzewa (pictured today arriving at Plymouth Crown Court) stole from his neighbour's airing cupboard has been jailed for more than four years.
article_snippet: Marcin later stole the paperwork after using English and Polish words to search Google using terms like 'spy games, spies and secret documents'.
article_snippet: You stole and sought to sell documents which you understood to be sufficiently sensitive and no doubt secret to warrant a large amount of money.'
article_snippet: Marcin Kostrzewa (pictured today arriving at Plymouth Crown Court) added that the loss of the documents could 'affect military operations' - though the metalworker tried to sell them to a friendly government.
article_snippet: court heard Mr Spencer had lost Mr Spencer high level of security clearance and was thinking of moving abroad.
article_snippet: Mr Spencer added the documents were marked restricted, the third of five classifications at the time, below top secret and secret.
highlights_snippet: Shane Spencer contacted Polish embassy and tried to sell the papers for £50,000 .
  