Trump supporter mails 12 packages containing pipe bombs were mailed within the U.S. Postal Service system to several prominent critics of U.S. President Donald Trump, including various Democratic Party politicians (Hillary Clinton, Barack Obama, Joe Biden, Eric Holder, Debbie Wasserman Schultz, Maxine Waters, Cory Booker), actor Robert De Niro, billionaire investor George Soros, former CIA Director John O. Brennan, and former Director of National Intelligence James Clapper.