(Tualatin, OR)  --  Tualatin police say a 70-year-old man who was shooting a gun and threatening members of his family was shot to death by officers.  Authorities say Robert Wickizer had been drinking and was threatening family members yesterday in the 18-thousand-100 block of Cheyenne Way when he tried to break into a neighbor's house, where two of the family members had fled.  Police say officers from multiple agencies who had arrived on the scene tried to negotiate with Wickizer, but he was shot and killed after refusing commands to drop his gun.  Authorities say the officers involved in the shooting are on paid administrative leave.