NBC said it turned the package to authorities on Wednesday.
"This may be a very new, critical component of this investigation. We're in the process right now of attempting to analyze and evaluate its worth," said Col. Steve Flaherty, superintendent of Virginia State Police.
MSNBC News reported that the materials appeared to have been sent between the first and second shootings at the university. The package, which includes writings, videos and photographs, was received Wednesday.
Near the United Nations Glass Palace in New York, there is a metallic sculpture entitled "Evil Defeated by Good", representing Saint George transfixing a dragon with his lance. It was donated by the USSR in 1990 to celebrate the INF Treaty concluded with the USA in 1987