High Quality Content by WIKIPEDIA articles! Wo Weihan, a native of Qiqihar, Heilongjiang, was a Chinese scientist and entrepreneur of Daur nationality. He was executed at the age of 58-59 on 28 November 2008, by firing squad, along with missile expert Guo Wanjun, 66, for passing sensitive information to a Taiwanese NGO. Weihan was interrogated for ten months in 2005 and allowed access to a lawyer in 2006. His trial was held in secrecy in 2007.