USCIS is now offering digital Delivery of FOIA Document Requests. You simply create an account to request copies of Immigration Documents. Check out the new digital delivery for FOIA requests! Sign up for a free USCIS online account and receive your FOIA response electronically https://myaccount.uscis.dhs.gov/
More Information on FOIA Request and a Sample letter if you choose not to file Electronically!