VANCOUVER, Washington — The son of a Clark County sheriff's sergeant has pleaded not guilty in the fatal shooting of his 10-year-old sister. Matthew Randall, 13, entered the pleas to one count of first-degree manslaughter with a firearm and two counts of unlawful possession of a firearm Friday in Clark County Superior Court. If convicted on all three felony charges, Randall faces a maximum sentence of three years and seven months in a juvenile institution. Judge... (GunPolicy.org)