Solve the Case: We Can't Catch All the Cases, We Can't Catch Them All at All

I had a police dream in my previous life. But because of various reasons. Didn't happen. Unexpectedly. An accidental rescue. Let this dream become a reality. After traveling through time and becoming a policeman Deng Didi just wanted to say one thing: "The criminals are too stupid. We can't catch them all. We can't catch them all!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.