Start from the beginning

"I'm joking, I'm just joking!" Zhao Yu finished the delicious milk in one gulp, then helped the strong-looking Jake up and said,"I'm such a capable detective, how could I not have thought about it?

"Actually, I've already thought of a new idea.

"I think that you guys spent so much time and effort on this case, but you didn't find any clues in the end, because you missed something!"

"What?" "What did we miss?" asked Jake, his face ashen.

"Um ... This ..." Zhao Yu pinched his chin and said thoughtfully,"I think that several investigation directions of this case have been blocked!

"If we want to solve the case, we have to find another way! Find a route that you didn't think of before, or you didn't investigate seriously ..."

"This ... Is a different path?" "Then, which direction do you think we haven't investigated seriously?"

"A motive for murder!" Zhao Yu said in a serious tone,"I think you haven't investigated the murderer's motive!