Multiple states and regions affected in a country already plunged into crisis by the February 2021 coup.
Chu Kai-pong faces a sentence of up to 10 years in jail after becoming the first convict under the strict new laws.
Lin’s release raises hopes for two other US citizens detained in China and considered wrongfully detained by Washington.
Leader Kim Jong Un stresses need to augment number of centrifuges to increase country’s nuclear weapons defence.