[Q] Will certain EB-5 cases from Pakistan and Iran nationals be examined more closely?
We have no doubt that these cases will be scrutinized more closely from both security and lawful source angles, although there is no formal words from USCIS stating such; and I don't think USCIS will ever make such formal statements. Having said this, there is no prohibition on Iranian EB-5 cases and they are doable. Following links are relevant to Iranian EB-5 cases:
Another helpful resource is: 31 C.F.R. Section 560 and Appendix A to part 560