Five days before his son Cooper died in the back of a hot SUV, Justin Harris watched a YouTube video demonstrating the dangers of leaving pets inside hot cars. That's according to a detective who testified at Harris' probable cause hearing. Anderson takes a look at a clip of that video and discusses it with Chief Medical Correspondent Dr. Sanjay Gupta.
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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