Eighteen minutes in, Carrie and Saul are facing each other in a heated walkway discussion. Camera focused on Carrie. You see a woman walk from what would be behind Saul, past Carrie.
Discussion concludes, camera focuses on Saul as he turns and walks away from Carrie.
Camera focuses on Carrie - and the same woman as before (who should be way past Carrie) again enters the frame from in front of her and walks past her.
In their hotel suite, when Lynne fears that Prince Farid has discovered she's been spying on him, she calls him "Amir", which is the name of the actor playing him. However, "Amir" also means "prince" in Arabic.
In an exterior shot of the streets of Pakistan we see a shop called Game. This shop is only operation in Africa.
Carrie talks about cross checking names with the INS. A CIA agent would know that immigration is now referred to as USCIS, and has been since 2003.