The US attorney for Washington said court papers were filed on Thursday for a detention hearing after the weekend shooting at a press dinner gala.
Pirro said prosecutors are awaiting official ballistics tests but alleged the defendant acted with calculation and premeditation, intending to kill the president and anyone who got in his way.
The case appears to be escalating from the initial charges as federal prosecutors prepare to expand the indictment while seeking to keep the suspect in custody.
Despite past attacks, how did a gunman get close enough to fire a shotgun at the President's event?
The suspect’s plan seems clear, but can the prosecutor’s office, known for its low win-rate, secure a conviction?
With another assassination attempt on Trump, is the current approach to presidential security fundamentally flawed?