"Traffickers often tend to be repeat offenders," Gao Changjiang frowned as he responded to Jiang Yuan, saying, "We have already screened all the traffickers released from prison recently, with a dozen officers working on this. So far, we've found nothing."
Jiang Yuan straightened his back, wanting to continue speaking.
Gao Changjiang, feeling that Jiang Yuan's understanding of the case was still insufficient, pretended not to see and continued, "Based on the current crime scene, the killer really left very few traces. That's precisely why we have requested the ministry and invited all of you experts to assist..."
The experts present each looked through the case files, none of them spoke up immediately.
Gao Changjiang sighed, saying, "Although there are few traces, the support from our superiors is very high. As long as there's the slightest clue, we can follow up on it..."