ToplineElon Musk escalated his public attacks on President Donald Trump Monday, suggesting his administration withheld findings about the federal investigation into Jeffrey Epstein, as their whirlwind friendship continues to devolve into a brutal back-and-forth on their respective social media platforms.

More than a month after their initial social media bluster, Elon Musk has announced the formation of a new U.S. political party in response to U.S. President Donald Trump signing his sweeping tax and spending bill into law.

The tech billionaire’s effort to create a new political party, called the America Party, comes amid a ramped-up feud with the president over his new domestic policy law.