 As HEC vice-president and speaker of the Assembly he became involved in a scandal related to the handling of 30,000 Sudanese pounds intended for refugee resettlement.On 4 January 1982 Samuel Aru Bol was among 21 leading politicians who were arrested in Juba, charged with forming an illegal party, the "Council for Unity of Southern Sudan".Others arrested were Clement Mboro, Michael Wal and Martin Majier.