European court rebukes Russia for WWII massacre of Polish soldiers

A woman points to the name of her killed relative at the Monument dedicated to Polish victims of the 1940 Katyn massacre. 

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Court says it doesn't have authority to rule because incident timeline

20,000 Polish soldiers are murdered at point blank

The European Court of Human Rights declined Monday to rule on the key points of a claim against Russia by relatives of victims of the 1940 Katyn massacre, but did rebuke Russia for refusing to hand over all of its files on the incident. 

The court said it did not have the authority to rule on whether Russia had deprived the victims of their right to life because the World War II massacre happened before Russia joined the European Convention on Human Rights. 

In 1990, Russia finally admitted to what many in Poland had long suspected: The Soviet Union secretly murdered as many as 22,000 Polish soldiers and civilians in the early days of World War II in an attempt to pre-emptively suppress a Polish rebellion against communist rule. 

That year, Russian prosecutors also launched a criminal case into the killings, but that case was closed in 2004.  Since then, the country has handed over some investigation files to Polish officials.