Suspended President Yoon Suk Yeol remains at his Seoul residence after last week's failed attempt to detain him.
Scuffles broke out late last week as dozens of investigators were stopped from entering the compound by hundreds of presidential security guards and a barricade.
Dozens of anti-corruption agency investigators and assisting police officers attempted to detain the impeached president on Friday but retreated from his residence in Seoul after a tense five-hour standoff with the presidential security service.
The CIO is leading a joint investigation team involving police and the defence ministry seeking charges of insurrection and abuse of power against Yoon among others, while prosecutors carry out their own probe.