If it has your name and social security number on it you can be pro active and contact the IRS
https://www.consumer.ftc.gov/blog/2018/04/new-way-report-tax-identity-theft
https://www.irs.gov/newsroom/tips-for-taxpayers-victims-about-identity-theft-and-tax-returns-2014
Disclaimer: Not a tax professional. Information gathered from internet links. Anything dated in June 2019 was posted in prior years and is before the 2019 limits and changes.
