Context: In the China Digital Times an article reports a close analysis by an alleged Chinese construction engineer known online as “Book Blade” (书剑子), who stated:

Question: What did the China Digital Times report?
Answer: a close analysis by an alleged Chinese construction engineer

Question: Who was the construction engineer known as?
Answer: Book Blade

Question: Where was an article reported about the scandal?
Answer: China Digital Times

Question: What was the name of the person who published a report in the China Digital Times?
Answer: Book Blade