it's something that, because it did not come off perfectly, yeah, i wrishish i hadn't done. >> for darden and clark, things were about to get even worse. >> coming up -- detective mark furman is caught on tape putting the prosecution on the defense. >> it was mind-boggling. >> and those dramatic closing arguments. >> if it doesn't fit, you must acquit. >> when "dateline" continues. that we serve. people here know that our operations have an impact locally. we're using more natural gas vehicles than ever before. the trucks are reliable, that's good for business. but they also reduce emissions, and that's good for everyone. it makes me feel very good about the future of our company. ♪