I never received any of my stimulus someone filled mine out without me knowing what can I do?

If someone your friend knew got your Social Security number, you are a victim of Identity Theft.

You should report it to the IRS.

The form is 14039

If they got the check and found a way to cash it then this is a legal matter ... seek local assistance.

See here:

 

https://www.irs.gov/individuals/how-irs-id-theft-victim-assistance-works

 

https://ttlc.intuit.com/questions/1900655-what-to-do-if-you-suspect-tax-related-identity-theft

 

 

Most important) Follow the IRS procedures for reporting a fraudulent return, documented here: www.irs.gov/uac/Taxpayer-Guide-to-Identity-Theft

 

IRS INFORMATION REFERRAL TO REPORT VIOLATION OF TAX LAW

https://www.irs.gov/pub/irs-pdf/f3949a.pdf

 

 

If your Social Security number is compromised and you know or suspect you are a victim of tax-related identity theft, take these additional steps:

• Respond immediately to any IRS notice; call the number provided.
• Complete IRS Form 14039, Identity Theft Affidavit. Then print and mail or fax according to the instructions. 
• Continue to pay your taxes and file your tax return, even if you must do so by paper.

 

 

 

6-digit IP NUMBER FROM IRS

 

https://content.govdelivery.com/accounts/USIRS/bulletins/2af48f0?reqfrom=share

First off I'll get proof file a report and report him to the irs as well as police thats a federal crime unless you knew him and gone let him slide but I highly doubt that good luck its also IDENITY THIEF THEY HAVE CODES FOR THAT