윤씨와 동업했거나 사업 관계로 얽힌 인물들은 물론 윤씨가 실소유주였던 강원도 원주 별장 관계자들에 대한 소환도 진행됐다.
In addition to those who worked with Yoon or were involved in business relations, a summon was also made to the officials of the Wonju villa in Gangwon-do, where Yoon was a real owner.