Chinese authorities were preparing Sunday to release a man who disappeared three years ago after publicizing videos of overcrowded hospitals and bodies during the COVID-19 outbreak, a relative and another person familiar with his case said. Fang Bin and other members of the public who were dubbed citizen journalists posted details of the pandemic in early 2020 on the internet and social media, embarrassing Chinese officials who faced criticism for failing to control the outbreak. The last video Fang, a seller of traditional Chinese clothing, posted on Twitter was of a piece of paper reading, “All citizens resist, hand power...