Kim Jin-wook, the chief of the Corruption Investigation Office for High-ranking Officials (CIO) is facing pressure to resign after singing a Christian hymn during the group's New Year commencement meeting on Monday. During the meeting, Kim introduced German Lutheran pastor Dietrich Bonhoeffer's poem titled, “Von guten Machten,” (“By Good Forces”) and sang a contemporary Christian hymn with lyrics from the poem, according to the legal circle, Thursday.