Six people killed, all employees of Virginia Walmart

All six people who were killed in a shooting at a Virginia Walmart were employees of the store, a spokesperson tells CNN. Lorenzo Gamble, Brian Pendleton, Kellie Pyle, Randall Blevins, Tyneka Johnson, and a 16-year-old male, were identified as the victims by the city of Cheasapeake. A trauma surgeon talks to AC360 about treating some of the victims.

And an update on the investigation into the murders of four students who attended the University of Idaho. Police have gone through more than 1,000 tips and have interviewed 150 people, but authorities gave no indication they were closer to naming a suspect. Forensic scientist Lawrence Kobilinsky, a professor at John Jay College of Criminal Justice, and retired cold case investigator Paul Holes, who is host of HLN's "Real Life Nightmare," give their take on the case.

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