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

Ahmad Wazir Noviadi
Member of the Indonesian House of Representatives for the 2019–2024 period, Commission II.
Ahmad Wazir Noviadi (born November 22, 1988), also commonly known as Ovi, is an Indonesian politician who serves as a member of the Indonesian House of Representatives (DPR RI) in Commission II, which oversees domestic affairs, elections, state apparatus, and land use planning. Ovi was elected as a member of the DPR RI representing the Gerindra Party in the electoral district of South Sumatra II. He has also served as a member of the Ogan Ilir regency and Regent of Ogan Ilir. Source: Wikipedia