AP
FILE - In this June 18, 2016, file photo, freed Hong Kong bookseller Lam Wing-kee stands next to a placard with picture of missing bookseller Gui Minhai, in front of his book store in Hong Kong as the protesters are marching to the Chinese central government's liaison office. Gui, who was secretly detained in China has been taken away by Chinese authorities again after being released into house arrest last October, his daughter said Monday, Jan. 22, 2018. (AP Photo/Kin Cheung, File)