They do want 2 passport pictures but I never sent them for my first application and I got approve. I did took copies of my expired passport and visa and other ids. I think they want to know your physical looks because of fraud. I'm just going to sent a copy of CA driver license.
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Application Sent: 8/16/12
Application routed to Nebraska: 8/20/12
Biometrics App: 9/14/12
DACA/EAD approved: 2/08/13