Policewoman, Bright Light Blue Jacket with Zipper, Radio, Badge, and Tie, Dark Blue Legs, Medium Nougat Hair

Comes in 3 sets, made of 4 parts. The lowest-priced set it comes in is 60127 Prison Island Starter Set (RRP £8.99).

Check the minifigures carefully when buying a used set: they're part of its grade.