In the wake of the coup d'état, he took the title of major general in the Armed Forces of Liberia and became the co-chairman of the PRC; as a result, he was the immediate deputy of Commander-in-Chief Samuel Doe and the Vice Head of State.
[1] From the earliest days of the PRC, Doe and Syen clashed; testimony before the Truth and Reconciliation Commission in 2008 revealed that their disagreements began during the coup itself when Weh Syen and Doe forcibly disagreed about the disposal of money that had been stolen from the home of the newly murdered President William R. Tolbert Jr.[2] While a member of the PRC, he was partly responsible for educational affairs,[1] but his time on the Council was short-lived.
Maj. Gen. Thomas Weh-Syen, an outspoken critic of some of Doe's policies, including the closure last spring of Libya's diplomatic mission and the forced reduction of the Soviet Embassy staff from 15 to six.
Weh Syen and five were charged with murder and a backlash plot against the Doe government, but no evidence of conspiracy was publicly presented during their hasty three-day military trial.
They were found guilty and executed by firing squad in what was seen as the climactic end to a power struggle among the 17 soldiers who took control of the government in a bloody coup last year.