Explain Why You Are Present at the Murder Scene!

After Cheng Ming traveled through time, he started the police detective live check-in system. When I checked in for the first time, I discovered the scene where the peasant woman was murdered. Cheng Ming: I am an outdoor anchor. I wanted to ask for a drink of water from her house, and I discovered the murder. The second time I checked in, it turned out to be the scene where the suitcase was dumped and the body was dumped. Cheng Ming: Money is tight lately, so it's normal to make money by picking up garbage. The third time, the scene of robbery in an alley. Cheng Ming: I just wanted to take a shortcut, which is reasonable. … As Cheng Ming broadcast live, he appeared at the scene of the murder again and again. Not only was he not caught, but he proved his innocence and helped solve difficult cases one after another! The whole network was shocked! His live broadcast attracted the attention of police stations across the country! Isn't this Cheng Ming a primary school student from the God of Death? If Cheng Ming is not innocent, then he must be a killer with a super high IQ! Police: Cheng Ming, I advise you to stay calm, it's best to stay behind closed doors! Criminal investigation expert: This Cheng Ming is simply a genius for solving crimes that is rare in a century! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.