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

Blue Water Djarot
Chairman of the Young Bull Community (KBM) since 2014
Banyu Biru Djarot (born March 19, 1979) is an Indonesian politician born in London. He is the son of musician Eros Djarot. He studied at Reading University, London, focusing on banking investment. He is a member of the Indonesian Democratic Party of Struggle (PDIP) and serves as the General Chair of the Young Bull Community (KBM).[1] He also briefly served as a member of the Strategic Information and Policy Council (DISK) of the National Intelligence Agency (BIN) before eventually resigning. Source: Wikipedia