The founder of the NGO Mediator was questioned for more than three hours in the so-called Module building.
Givi Kublashvili said that questions were about financing of Shaori camp. The brother-in-law of Kakha Kaladze, Giorgi Areshidze, was involved during the period when he headed City Hall Education, Sports and Youth Affairs Department.
A criminal investigation is in progress for the abuse of power.