Tonight we look the the cold case murders of Tupac Shakur and Biggie Smalls. There are new developments in one. It's all part of our month-long special series. Plus, hear from the author of the study that discredits Dr. Andrew Wakefield and claims his 1998 research on autism and vaccines was a fraud.
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Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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