She had committed many wicked deeds in secret, involving numerous people.
Jiang Ning had apprehended them because she wanted to receive the rewards for the system tasks; the evidence and information were useless to her and, if left sitting in the system, would just be a string of cold data. Rather than letting it collect dust in the system, it was better to anonymously send it to the relevant police station, where it could serve its greatest purpose.
This was not the first time Jiang Ning had done this; the system immediately knew what she intended to do upon hearing her words.
The system asked, "Host, do you want to organize this information and evidence to send to the police station?"
Jiang Ning: "Mhm."
The system said, "I can do that."
After thinking for a moment, it added, "From now on, after you complete each task, I can anonymously send the criminal's evidence and information about the accomplices to the investigative team."