tonight from the capitol and, pierre, lawmakers are also pressing the acting attorney general on his recent statement that the mueller investigation is close to being completed. he was pressed. did he learn that from mueller himself? reporter: they did press him. he refused to offer any more details. he said bob mueller will finish his investigation when he wants to finish his investigation. david. pierre thomas with us on a friday night. pierre, thank you. next to the school shooting at a high school in baltimore tonight. an armed man showing up in the lobby shooting a hall monitor. right here what happened next as that school went into lockdown. abc s stephanie ramos is on the scene tonight. reporter: baltimore police got the call of the shooting just after noon. medic aid respond, frederick douglass high school, for a shooting. reporter: police say a 25-year-old man entered the lobby of frederick douglass high school and shot a hall monitor in the lower torso. the school