How can we find out who is bankrolling the politicians and organizations standing in the way of a full and fair vote count?

How can we find out who is bankrolling the politicians and organizations standing in the way of a full and fair vote count?
The New York anti-tax group Unshackle Upstate has made fighting the public financing of elections a major priority. Late last year the group published an opposition white paper timed to coincide with the release of preliminary findings of Governor Andrew Cuomo’s Moreland Commission to Investigate Public Corruption (which advocated for public campaign financing), and during …