81 espionage cases have been investigated over past year

Former Xinhua correspondent involved in probe has already left Taiwan

Many believe Chinese-run POGOs represent national security threat, criminal enterprises

Exchanges with opposition lawmakers are Chinese priority

Trustworthy AI Dialogue Engine or 'TAIDE' will be developed as a public resource for professional use

Chang denies allegations, released on bail

State began banning state employees from using TikTok on government devices in 2022