It looks like you're referring to from the Judge Dredd universe (primarily the 2000 AD comic series, not the 2012 Dredd film).
Here is a concise, proper-text summary:
If you meant a different character (e.g., a fan-named character from the 2012 film, sometimes mistakenly called "Vanessa" due to the actress Olivia Thirlby's role as Judge Anderson), please clarify. Otherwise, the above refers to the canonical comic character. vanessa blake dredd