Why not go full dictator mode and just arrest and imprison without trial? Like what they're doing in China.
By the way, I wonder what business dealings does Calvin Cheng have in China? You don't do business in China without the approval of the CCP regime.

Last thing we want is another Dickson Yeo, albeit a high profile one hidden in plain sight.
https://sg.linkedin.com/in/calvinchengernlee
Chairman Of The Board
Retech Group 睿泰集团 (ASX:RTE)
Dec 2016 - Present
Retech is one of China’s largest builders of online corporate training platforms.
As a co-founder of Retech, I led it to IPO in June 2017, in one of the largest tech floats on the ASX of that year.
I am one of the few Singaporeans who have founded and led a company from startup to IPO in China.
---
‘Critical Spectator’ challenges Calvin Cheng on China, gets blocked on his page
https://theindependent.sg/critical-...lvin-cheng-on-china-gets-blocked-on-his-page/