Source:
https://scmp.com/article/458465/super-jail-seen-best-use-islandSuper-jail seen as best use of island
Economic potential an 'overriding' factor for not choosing border site for prison
The choice of Hei Ling Chau as the site of a proposed super-jail was made after a selection process that concluded there was little potential for alternative development, a senior security official said.