But Professor Olson says the larger issue is where exactly in China do the bodies on display come from. Who are they or were they?

Given the thousands of young Chinese who have executed for crimes, of all kinds, Professor Olson says he has serious questions.

"My concern is that they may be political prisoners," he told ABC News. "They may be people who have been executed."

So ABC News' Chief Investigative Correspondent Brian Ross and his team went to China to find out.
(ABC News)