It takes a little more to be a True Believer. Donors not only must give overwhelmingly to propositions, like Mad Props, but those propositions essentially must be supporting the same issue. The issues don't matter, as long as the donor gives almost all of his or her donations to those causes.
Sources: Center for Responsive Politics, National Institute on Money in State Politics, Federal Elections Commission and Pennsylvania Department of State.
Credits:PublicSource would like to thank The Center for Investigative Reporting for the use of their political contributions app, Rainmaker. The Investigative News Network coordinated the work between the many organizations sharing information for this project. Reporters Halle Stockton, Emily DeMarco and Reid Fraizer also contributed to this project.