Elon Musk is keen on auditing the Federal Reserve, the independent agency that makes critical decisions on interest rates that reverberate throughout the US economy.

His goal is to push the narrative that government workers are unnecessary, hoping to rally enough support for shrinking the government to the point where he and Donald Trump gain near-total control.

Elon Musk has faced backlash and scrutiny for his involvement in U.S. politics and the Trump administration over the past few months, but the tech billionaire’s biggest detractor may be his own father.