Ryan Routh, accused in the golf course attempted assassination of Donald Trump, appeared in a Florida federal courtroom Tuesday for a hearing involving evidence that will be presented in the case.

Ryan Routh, accused in the golf course attempted assassination of Donald Trump, will appear in a Florida federal courtroom Tuesday for a hearing involving evidence that will be presented in the case.

The hearing will focus on the semi-automatic, SKS-style rifle authorities say ... Routh's lawyers say if they aren't granted access to the gun, they'd like all expert testimony about it excluded ...