As We Leave More Digital Tracks, Amazon Echo Factors In Murder Investigation

Amazon's personal assistant device Echo, powered by the voice recognition program Alexa, is one of the most popular gifts this holiday season. Amazon's personal assistant device Echo, powered by the voice recognition program Alexa, is one of the most popular gifts this holiday season. Amazon's personal assistant device called Echo was one of the most popular gifts this Christmas. But this week, the device grabbed headlines for another reason: Police in Arkansas are trying to use its data in a murder investigation. What we know from court documents is that in November 2015, a man in Arkansas had some friends over at his house to watch a football game and in the morning, one of the friends was found dead in a hot tub in the back yard.