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

Moh Haerul Amri
Members of the Indonesian Parliament 2019-2024
Mohammad Haerul Amri, S.P. (October 13, 1972 – May 6, 2024) is an Indonesian politician from NasDem Party who has served as a member of the DPR-RI since February 18, 2022, replacing Hasan Aminuddin who was detained by the KPK.[1] He represents the electoral district of East Java II, which includes Pasuruan Regency, Probolinggo Regency, Pasuruan City, and Probolinggo City. Source: Wikipedia