June 18, 2019 5:26 pm Conflicting Accounts of Deadly Costco Shooting Emerge An off-duty Los Angeles police officer shot and killed a man who police say was attacking him at a Costco. Eric Leonard reports for the NBC4 News on Monday, June 17, 2019. US & World Videos 2:38 Why USC wants foreign students to return to campus by Jan. 13 6:59 Is compounded weight loss drug for you? 2:30 Israel says it has launched retaliatory attacks in Iran 2:36 Murder gets 12 years in prison for burning woman in North Hollywood 2:38 These are the closest finishes of the Paris Olympics