Moreover, the legal process will be both costly and lengthy, says Bob Bellemare, chief operating officer of New Mexico-based Mykrobel, which is advising Xcel.
On Wednesday, UN Secretary General Ban Ki-moon named Norman Farrell, the Canadian deputy prosecutor of the International Criminal Tribunal for the former Yugoslavia (ICTY), as Mr Bellemare's successor.
Lebanese Prime Minister Najib Mikati said last month that the STL's chief prosecutor Daniel Bellemare would be submitting a revised indictment before he left office at the end of February.