Complex sentence: After this, hardly anyone believes Roman's protests of innocence and facing the possibility of serious charges within a day, Roman storms into Niebaum's office and questions Niebaum about any involvement with the fund or setting Roman up.
Split into simpler sentences: After this, hardly anyone believes Roman's protests of innocence. Facing the possibility of serious charges within a day, Roman storms into Niebaum's office and questions Niebaum about any involvement with the fund or setting Roman up.