Yes. You should have received notice. Take the proper steps to obtain the relevant tax records.

File an amended exemption explaining the error.

Look into filing a motion to set aside the judgment.

You should consult with debt collection defense attorneys.

To collect the judgment use the tools and techniques of judgment collected. These include bank levies, wage garnishment, debtor’s examination.

If they already received the court judgement and if it has not expired, they can garnish wages.

Contact the DMV to see if they have a process to handle this.

It might. Work out a written settlement agreement.

It might be. Check your credit report Tell them to send you proof, but give them no information.

Yes file a police report. You may have to sue in small claims court.