Is It Appropriate for a Traffic Policeman to Handle a Criminal Investigation Case?

Traveled through a parallel world and became a police academy graduate. When Xu Lin received the assigned unit, he looked confused. He, a quasi-criminal police officer who graduated with perfect marks in criminal investigation, was assigned to the traffic police team. What does this mean? You won't let me do criminal investigation, right? That's easy to handle. I, the traffic police, can also take over criminal investigation work. On the first day of work, I caught 7 habitual thieves and 1 kidnapper and murderer. The next day, a B passer was captured. On the third day, the main culprit of the shocking crime who had been hiding for 10 years was discovered. The fourth day... Captain of the traffic police brigade: "Ancestor, we are a traffic policeman, why do you send people to the criminal investigation department every day?" Director: "Who? Who asked Xu Lin to go to the traffic police brigade? ......................... In the bustling modern city, high-rise buildings stand like steel forests, traffic flows on the streets, and people are in a hurry. The city seems to be full of vitality and hope, but in the corners where the sun cannot shine directly, the shadows of crime are like lurking poisonous snakes, ready to strike at any time. And mysterious supernatural events are floating around like ghosts, adding a mysterious and terrifying color to the city. The protagonist Xu Lin originally lived in another parallel world. An unexpected time travel brought him to this strange world as a police academy graduate. He cherishes the dream of becoming an excellent criminal policeman, relying on his past life memories and solid criminal investigation expertise, and is eager to show off his skills on the road to fighting crime. However, fate seemed to play a joke on him. He was accidentally assigned to the traffic police team, which filled him with doubts and dissatisfaction.