IRS Tax Filing for Expats

I need to file taxes with the IRS for the last ten years since I moved to Italy. I was not aware that I needed to continue filing taxes in the States despite not working or living there.

Requirements:
- File back taxes for 10 years
- Report foreign income
- Utilize accountant/commercialista documents

Ideal Skills:
- Experience with IRS tax forms
- Knowledge of expat tax regulations
- Familiarity with foreign income reporting

Please provide a comprehensive plan to complete this task.