It makes sense for the delivery boy to appear at the crime scene, right?

Story of: It makes sense for the delivery boy to appear at the crime scene, right?

[System + Reasoning to Solve Cases + Single Female Protagonist] Delivery boy Su He was accidentally involved in a murder case, and was bound to a god-level selection system!Just make a choice and get rewarded!With the help of the system, his life trajectory gradually went astray: Hey, I want to call the police. Someone killed someone in Unit 603, Building 2, Mingjia Community... Yes, I am safe now... Two people died... The murderer?Well, I closed the door... I have nothing to do with the deceased, I am a food delivery person... Officer Wen: Why do you, a food delivery person, always appear at crime scenes?...Su He said with a smile: "I said this was a coincidence, do you believe it?"