I think you're in the U.S., and if so immediately freeze your credit so that they can't take out new credit in your name. They seem pretty motivated and they have a lot of your identity information. You can learn how to freeze and unfreeze your credit for free at https://www.nerdwallet.com/article/finance/how-to-freeze-cre....
Then pull all three of your credit reports to check for anomalies. You can do that for free at https://www.annualcreditreport.com. Right now you can do it for free every week. In non-pandemic times it's once a year. Do NOT agree to any upsells for additional features or protection to get your free report; it's not required to just get your reports.
Then pull all three of your credit reports to check for anomalies. You can do that for free at https://www.annualcreditreport.com. Right now you can do it for free every week. In non-pandemic times it's once a year. Do NOT agree to any upsells for additional features or protection to get your free report; it's not required to just get your reports.