kate, the u.s. attorney here richard donna hue said the evidence and the law just was not there.s case. you spoke about the siddio. the video was central in all of this. it was a key piece of evidence, the prosecutors said, in all of this. and interestingly enough, from what they saw in the video, they cannot see that the officer here was engaged in a chokehold when eric garner was saying he couldn't breathe. those words, as you said, became the rallying cry here. but the u.s. attorney here going through painstaking detail of why it is as they viewed the evidence, they could not bring charges in this case. here's what he said. >> the video shows that the officers' initial actions were in accordance with established police tactics and procedures, but that the situation deteriorated as it progressed. at the end of the day, however, the video and the other evidence gathered in the investigation does not establish beyond a reasonable doubt that the officer acted willfully in violation of federal law. >> the other things that the prosecutor here talked about is these tactics that were