April 27, 2016 11:30 pm New Video Raises Questions About Alleged Cover Up in Stanislav Petrov Beating A gold chain in the hand of an Alameda County Sheriff’s Office deputy at a crime scene in San Francisco is raising questions about an alleged cover up. Jean Elle reports. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks