Any type of arrests or criminal problems will raise a flag, and that will make your case take longer.
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Original: App. Received by USCIS: 04/15/2013 - Approvals: i821d 04/14/2014 & i765 04/17/2014 
Renewal: Received by USCIS on
11/25/2015 - ASC on
12/23/2015 -
Approved