 After international co-investigating Judge Laurent Kasper-Ansermet (Swiss) left his job unexpectedly, it cast more doubt on the court's ability to pursue more cases such as Case 003 and 004 against the ailing Khmer Rouge leaders.Similar allegations of political pressure have been alleged in case 004.Case 004 involves former mid-level Khmer Rouge commanders Im Chaem, Ta Ann and Ta Tith.