The main opposition People Power Party (PPP) on Thursday filed a constitutional complaint against a recent legal revision abolishing prosecutors' authority to conduct direct investigations, calling it a measure that dismantles the country's criminal justice system. The move came amid concerns that scrapping the prosecution's investigative authority under the revision to the Criminal Procedure Act could conflict with their constitutionally recognized authority to request warrants. "The abolishment of supplementary investigative authority fundamentally undermines the foundation of the Criminal Procedure Act and could result in dismantling the entire criminal procedure system," Rep. Kim Tae-kyu, head of the PPP's legal advisory committee, said as he submitted the complaint to the Constitutional Court. "We believe it is absolutely necessary to raise the issue of its unconstitutionality and seek a ruling from the Constitutional Court," he added. The PPP argued that the revision violates a set of constitutional principles, including the prosecution's authority to request warrants and citizens'