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Virginia Beach police confirmed that a city employee shot and killed 12 people, and injured several others, including a police officer, at the city's Municipal Building on Friday. 192

Users of Amazon’s Alexa digital assistant can now request that recordings of their voice commands delete automatically.Amazon says it saves such commands to improve the service. But the practice has raised concerns with privacy experts who say the recordings could get into the wrong hands, especially as Amazon and other companies use human reviewers rather than just machines.Previously, users had to go into Alexa’s settings and delete recordings manually. Users can now ask Amazon to automatically delete recordings after three months or 18 months. But users need to specify that in the settings, as recordings are kept indefinitely by default. And there’s no automatic option for immediate deletion. Users would still need to do that manually.When users ask for automatic deletion, a warning will pop up saying that doing so could degrade Alexa’s ability to respond or understand users.Amazon will also let users request deletions through an Alexa voice command. The use of human reviewers will continue.Tech companies have been reviewing their practices in light of privacy concerns. There’s greater concern when humans are involved because of the potential for rogue employees or contractors to leak private details embedded in the voice commands.When Facebook starts selling a new version of its Portal video-calling gadget next month, the company will resume using humans to review voice interactions with the device. Users will be able to decline, or opt out. People on existing devices will get a notification pointing them to the appropriate settings. New Portal users will get the option when setting up.Human reviews involving Facebook’s Messenger app elsewhere remain suspended as Facebook re-examines the privacy implications.Google is also 1769

Two sheriff's deputies were injured in a shooting in Memphis, Tennessee, the Shelby County Sheriff's Office confirmed Wednesday.Both deputies were taken to local hospitals. One of the deputies was in critical condition.The office also confirmed that a suspect was killed during the incident.More on this as it develops. 331

WESTERVILLE, Ohio - The fourth presidential debate will be held this evening at 8 p.m. ET in Westerville, Ohio, featuring 12 Democrats on one stage. CNN and The New York Times will jointly host tonight's debate. CNN anchors Erin Burnett and Anderson Cooper and New York Times national editor Marc Lacey will serve as moderators.How can I watch the debate?It will air exclusively on CNN, CNN International and CNN en Espa?ol, and will stream on CNN.com's homepage and NYTimes.com's homepage. The debate will also stream live on the following Facebook Pages: 569

When Beto O'Rourke opened the first Democratic debate by answering a question about tax rates in Spanish, he appeared to get 137

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