Yes you may. We are sorry for your loss. You will start the return in TurboTax as if you are your son (all of his information). You will see a screen that with a checkbox that states "I am preparing this return for "[your son]", who is deceased. Here is what the screen will look like (check yes, the screenshot has no checked)
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
