Using Wang's tape, the police discovered Hsu Che-ming, the individual who played the role of a "cockroach" (as the media dubbed persons selling food offerings). He divulged that Wang's assistant had supplied him with food and a scooter and asked him to play the part of the black T-shirted fellow in this "simulation."
警方依據王育誠提供的錄影帶，找到影片中扮演將祭品轉售、媒體稱為「祭品蟑螂」的許哲銘，他供稱是王育誠的助理提供片中祭品及機車，找他扮黑衣人拍攝「模擬劇」，剪接後對外公布。