March 27, 2009 6:18 pm Remembering a Massacre The funeral of four Oakland police officers brought back memories of the last time law enforcement gathered for a mass memorial service. Back in April of 1970, four CHP officers died in a matter of minutes. 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