I'm not quite sure what this article is about. All the answers seem relevant to the question because I have no context of the article. Could you leave a file of the article?
The most important characteristic of a good detective is if they are observational or not, they won't every solve any case if they don't keep their eyes wide open, and observe.
Answer:
situational irony
Explanation:
It is situational irony because the expected outcome did not happen
A Mini motor car fitted with a high-powered engine and disc brakes.