SINGAPORE - A Singaporean man who spied on the United States for a foreign state was released here from detention under the Internal Security Act (ISA) on Tuesday (Dec 14). The Internal Security Department (ISD) said the threat Dickson Yeo posed has since been neutralised. The 40-year-old was arrested in the US in November 2019 and deported to Singapore on Dec 30, where he was immediately arrested. He was then detained under the ISA in January this year for acting as a paid agent for a foreign state, which ISD did not name. However, Yeo had admitted in a US federal court to acting under the direction of Chinese intelligence officials to obtain sensitive information from American citizens. Yeo, who was sentenced to 14 months' jail, had claimed before the US court that he bore no ill will toward the US and that he did not betray Singapore. The ISD on Tuesday said investigations into the full extent of Yeo's activities established that his dealings with the foreign state were clandestine in nature. His foreign handlers had first reached out to him in 2015 through an online professional networking site. They subsequently invited him to an academic symposium overseas, where he was appro...