scene. president reagan. [sound of gunfire ]. stay low. stay down. megyn: now his doctors say he is harmless. khaoeufp harmless. catherine herridge is live outside the court. reporter: i was sitting in the courtroom this morning about 15 yards from john hinkley. he sat there motionless, he did not yo utter a word, almost hunched over as he listened to the testimony. this morning has really focused on the testimony of a secret service agent. talking about an incident on october 16th of last year in williamsburg, virginia at a barnes & noble bookstore. the agent testified that they still do overt and covert surveillance of john hinkley. on that day they saw hinkley go into the book se store and the agent testified that he saw hinkley become fixated on a