The Coroner’s Office makes inquiry into all deaths within the county that are unattended or violent in nature as prescribed by law, Article 17-A Sections 670-678. The Coroner also makes inquiry into all deaths whether natural or unnatural for an inmate of a correctional facility as defined by subdivision 3 of section 40 of the correction law, whether or not the death occurred inside such facility. The Coroner shall perform such additional and related duties as prescribed by law.