In return for a more lenient sentence, Choo has reportedly been co-operating with authorities, and it was his relationship with Ching that ultimately led investigators to focus on Primary Global Research.
Mr. Ching said Sotheby's gallery will aim to educate Chinese buyers on Western art by first introducing them to Asian artists who already enjoy an international following, like Japanese artist Yayoi Kusama, as well as 19th-century French painters such as Claude Monet, whose Impressionist landscapes are immediately recognizable to collectors everywhere, Mr. Ching said.