Sacramento police shot Stephon Clark dead Sunday night within seconds of encountering him next to his grandparents’ home in south Sacramento, video released Wednesday by the department shows. About six minutes after the shooting, after backup arrives, an officer can be heard telling another officer, "hey mute." Sound then cuts out as officers apparently turn off their microphones. But video continues and the officers can be seen speaking to each other and to at least one civilian on scene for about two more minutes before the video ends. “We asked, ‘Can they do that,’” said Les Simmons, a pastor and...