rounds of ammunition, and that was just in his car in the hotel parking lot. meantime, his girlfriend tells the fbi she had no idea of his murderous plan, but police insist he could not have possibly pulled this off alone. >> when you look at the weapon obtaining, the different amounts of tannerite available, do you think this was all accomplished on his own, self-value, face value you have to make the assumption that he had to have some point at some point. >> we just heard from first responders who reveal the chilling confusion as they tried to figure out what was happening. >> if you've ever had an opportunity to sit on a call-takers panel and listen to a citizen, another person in absolute shear terror for their life, for their loved one, those men and women and that dispatch office did a phenomenal job.