In August 1981 , he had Thomas Weh Syen and four other PRC members arrested and executed for allegedly conspiring against him .
Doe had to put down seven coup attempts between 1981 and 1985 .
In August 1981 , Doe had Thomas Weh Syen and four other PRC members arrested and executed for allegedly conspiring against Doe .
Doe had to put down seven coup attempts between 1981 and 1985 .