Trump, Meadows
President Donald Trump speaks as White House Chief of Staff Mark Meadows (R) listens prior to Trump's Marine One departure from the South Lawn of the White House July 29, 2020 in Washington, DC.
  • A judge ruled Friday against Mark Meadows' bid to move the prosecution against him to federal court. 
  • Meadows is one of 18 co-defendants charged alongside Trump in his Georgia election interference case.
  • A former federal prosecutor told Insider the ruling ramps up pressure on the co-defendants to flip on Trump.

Mark Meadows' latest court flop increases the pressure facing the co-defendants charged alongside Donald Trump in the Georgia election interference case to flip on the former president and cooperate with the prosecution, one former federal prosecutor told Insider.