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

Mohammad Sohibul Iman
Vice Chairman of the PKS Fraction in the field of Ekuintek & Member of the BAKN of the Indonesian House of Representatives 2009–present
Mohamad Sohibul Iman (born October 5, 1965) is an Indonesian politician who served as the President of the Prosperous Justice Party from August 10, 2015, to October 5, 2020. Sohibul was the Vice Chairman of the Indonesian House of Representatives for the 2013-2014 period, replacing Anis Matta who resigned to become the President of PKS, replacing Luthfi Hasan Ishaaq. Source: Wikipedia