Q: report about a criminal background for an applicant

I would like to report about a criminal background for an applicant( NOT ME ) who applied for Citizenship with USCIS about an year ago. I do NOT know the applicants case number with USCIS but a domestic violance case is filed last week against the applicant. I want to report the criminal complaint to USCIS for the applicant case record. I do NOT have the case number of the applicant. Is there any hotline or process to update the criminal complaint with USCIS . Can your law firm help me in reporting the criminal complaint of an applicant to USCIS ?? I have details of Name , social security, address , DOB , Dirvers License , GreenCard Alien number and her immigration lawyer .etc.

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