Most of us are familiar with famous intelligence agencies such as the American CIA, the British MI6 and Israel’s Mossad. But did you know Singapore has its own spy agency known as the Security and Intelligence Division (SID)? Its first chief was Tay Seow Huah, who helped build Singapore’s early intelligence capabilities during the height of the Cold War and was involved in handling the Laju terrorist incident. Today, we speak to his son Dr Simon Tay, Chairman of the Singapore Institute of International Affairs, about his new book, Enigmas, which describes his father’s life and unusual career.