Помогите задать 5 вопросов к тексту по английскому языку!!! СРОЧНО!!!

1 What does Ben specialise in?
2 Is every case different for Ben?
3 How long did it take Ben to search for fibres in a car once?
4 Do they use ultraviolet light or a flashlight to see traces?
5 Why is Ben's job not for everyone?