This is the first time I hear about them going to someone's house to take pictures. Were you as a couple perhaps very nervous at the interview or something?
Just received notice that our petition was transferred and now currently being processed.....praying that the next correspondence will be NOA2.
5/27/2014..............Sent off petition
5/31/2014..............USCIS recieves Petition
6/04/2014..............$340.00 check cleared
6/04/2014..............Recieved USCIS Acceptance confirmation via email
6/09/2014..............Recieved 1st NOA via U.S. mail(Form I-797C)
6/10/2014..............Alien Registration Number Changed