Annie has a word of warning for any future 24 villains – Renee Walker is on a war path and she’s coming for you! It looks like the thumb sawing scene was just the tip of the iceberg.

I was happy to see Renee return to 24, but she seems so damaged now. Whose thumb is next? — Richard
MICKEY: “Renee is going to do what she wants and you better hope you’re not in her path,” Annie Wersching tells us of her conflicted character. If you thought the thumb-chopping scene was severe, just wait.