Nevada County, with its small population, has had only a half-dozen officer-involved shootings in the last decade — but three of those have occurred in the last 14 months, two of which were fatal. A fourth shooting involving law enforcement occurred in Sierra County July 1, but began as an incident in Nevada County. Two of the shootings involved Nevada County Sheriff’s deputies, including the fatal shooting of John Arthur Salazar during an armed standoff in September 2011. More recently, a deputy fired at a fleeing suspect in October of this year but missed. Two of the incidents involved Grass …