point prosecuted. so what we understand, we spoke with his attorney, david sergy, and we learned that investigators, they had a meeting at a local denny s to take swab samples from his hand to test for gun residue. now, cnn does not know the results of those swab samples, what it revealed to investigators. but sergy says his client did cooperate voluntarily, said his client has nothing to hide. but you said it right, this could be one of many different people that these prosecutors have talked to over the time, so investigators are doing their best to find credible leads to get to the bottom of this murder case. george, as we said, a lot of interest in this. we ll be carrying the press conference for you at the bottom of the hour as it happens on time. president barack obama trying to rally support for his push to tighten the nation s gun laws by hitting the road. the president is set to speak at the denver police academy in about two hours. that s not far from the aurora movie the