Fischer was born to a Jewish parent, but he rejected the religion. He used many racist and unreasonable insults toward Judaism. Fischer denied the Holocaust. He read books such as "Mein Kampf" and "The Protocols of the Elders of Zion". As a young man, Fischer joined the Radio Church of God. He later left this evangelical Protestant church with outspoken comments. Fischer had a Catholic funeral. It is unclear whether he became a Roman Catholic before his death.