What is kristen?

Some articles on kristen:

List Of The Bill Characters (M-P) - N - Zain Nadir
... died years ago from a drug overdose, although Zain later tells Kristen Shaw (a drug dealer he goes undercover to catch) that she was killed in a car crash, in order to retain his cover ... The Sun Hill team are preparing to foil a major drugs deal between Kristen Shaw and the Colombians at a false location, and Zain sneaks off to Kristen's bar and updates ... After watching Kristen shoot PC Honey Harman dead Zain throws the body in the canal ...