Why do we need to know the flow of campaign funds?

I.N. Adi Wiryatama
Chairman of the Bali Provincial DPRD (two terms) 2014–2024
I Nyoman Adi Wiryatama (born January 9, 1953) is an Indonesian politician. He served as the Chairman of the Regional Advisory Council (Deperda) DPD PDIP Bali and as the Regent of Tabanan from 2000 to 2010 and Chairman of the Bali DPRD from 2019 to 2024. He has been a Member of the DPR-RI since October 1, 2024. Source: Wikipedia