Stefan Zielonka, a cipher officer who mysteriously disappeared in April 2009, might have betrayed Poland and worked for the Chinese secret service.  

For many years Zielonka coded messages of Polish military intelligence. He had a unique knowledge of code names of Polish officers working abroad and access to secret sources of information. Zielonka also knew NATO’s codes.

So far military intelligence linked his disappearance to suicide or accidental death, but the most probable scenario seems to be high treason. Zielonka is suspected of a long-term cooperation with the Chinese secret service. If the suspicions turn out to be true, it will be one of the biggest scandals in Poland.

In May 2009, military intelligence revealed that Stefan Zielonka disappeared, suffered from depression and wanted to quit the army. The cipher officer must have prepared for his disappearance because his personal belongings also vanished. In the meantime he managed to gather quite a lot of money on his bank account although it still has not been touched. (mg)

Source: Dziennik Gazeta Prawna