Special Investigations Unit - Staff DirectoryThe results are being filtered by the department: Special Investigations UnitClear Search A B C D E F G H I J K L M N O P R S T U V W YL Robert Lythgoe Detective Special Investigations Unit Phone: (610) 891-4243work Email: [email protected]INTERNET N Theresa Nguyen Secretary Special Investigations Unit Phone: 610-891-4238work Email: [email protected]INTERNET R Doug Rhoads Deputy District Attorney Special Investigations Unit Phone: (610) 891-4192work Email: [email protected]INTERNET Chip Rosen Detective Special Investigations Unit Phone: 610-891-4163work Email: [email protected]INTERNET S Elizabeth Schneider Assistant District Attorney; Chief, Economic Crimes Unit Special Investigations Unit Phone: 610) 891-4193work Email: [email protected]INTERNET