NguyenThanhVan An, 37, is the chief executive and founder of Internet bookstore Vinabook.com, a clone of China's online bookseller Dangdang.com--itself a version of Amazon.
The newspaper said that Phan Thanh Hai and NguyenVan Hai are also suspected of attending a training course in 2008 organised by a Vietnamese overseas political party, Viet Tan.