A British Columbia man convicted of manslaughter in the 2022 killing of Anthony Primozic has been sentenced to nine years in prison. With credit for time served, 24-year-old Seth Boss of Lower Post will serve three more years and seven months in prison. The sentence includes a lifetime firearms ban. Primozic, 25, a Champagne and Aishihik First Nations citizen, was found dead in his home in Haines Junction on Mar. 9, 2022. Boss, an acquaintance o…