The Amazon Echo's always-listening feature entangles it in a murder case

Police in Bentonville, Arkansas would love to know whether an Amazon Echo picked up the sounds of a crime. Amazon isn't playing along. As reported in the Washington Post, the investigation highlights the privacy issues around increasingly popular smart-home products.
The Amazon Echo in question was present in a home where a murder took place in November. Victor Collins was found dead in a hot tub after a social event that went late into the previous night.
Police found the Echo among many other