Police seize secret audio recording implicating Lee in coverup and fatal assault

20 cm long serrated knife matches cut marks on victim's body

Human remains found in Kaohsiung's Qianzhen River

DNA found at suspect's home linked to other missing persons in Kaohsiung

Investigators identify Taiwanese male as suspect, plan his arrest

DNA, fingerprints obtained from mask, 2nd car point to man with criminal record

Police say gunman may have fled overseas

She faces further investigation into her role in murder, and possible collusion with witnesses