Wu Song also asked the local court to investigate the man behind his brother’s murder – West Gate Carnival. https://www.viewofchina.com/wusong-and-golden-lily/

It didn’t take long for him to identify the culprits. Wu Song set up a trial before his brother’s memorial tablet and called the informers as the witness and invited neighbours as a jury panel. The treacherous woman was sentenced to immediate death while the teahouse keeper was sent to the county authority. https://www.viewofchina.com/wusong-and-golden-lily/

As soon as Wu Song arrived in the town, he built a personal crime report system based on carrot plus stick reward and punishment mechanism to uncover the truth behind his brother’s death. https://www.viewofchina.com/wusong-and-golden-lily/