Complex sentence: Law enforcement officials believe he may have returned to Belgium, where he is on the board of directors of Metallo Chimique, a smelter of copper, tin and lead with historic affiliations with Chemetco.
Split into simpler sentences: Law enforcement officials believe he may have returned to Belgium. Here he is on the board of directors of Metallo Chimique, a smelter of copper, tin and lead with historic affiliations with Chemetco.