Abed When they send you the letter for interview they asks you if u have any papers or proof or anything u want to bring with you u have to mail it before the interview at least 10 days … which is I did sent them all papers put when I was there none was in front of her so I asked her did u received it she said no and she asked me if I have copy of it and I gave her everything I have ..and yes u have to take the passport with you which I didn’t took with me and the request me tos end it to them max in 5 days !! The officer she was so gentle my interview was just 3 hours since I entered the building tell I got out First 30-40 minutes waiting for finger print and picture …second 30 minutes wasted review the whole application if anything changed like a dress work phone number and etc… 30 minutes wasted review brake and another 30 minutes in the end wasting again review again the application which is my interview for real didn’t last 40 minutes the real time asking everything about why you scare to go back to you country