The Crown Office and Procurator Fiscal Service provides the independent public prosecution service for Scotland, and is a Ministerial Department of the Scottish Government. The department is headed by Her Majesty's Lord Advocate, who under the Scottish legal system is responsible for prosecution, along with the area Procurators fiscal. In Scotland, almost all prosecution of criminal offences is by the Crown. The Service's responsibilities extend to the whole of Scotland, and include: Investigation and prosecution of criminal offences, Investigation of sudden or suspicious deaths, The investigation and prosecution of criminal conduct by the police, Assessment and possession of bona vacantia, Assessment and possession of treasure trove. The Lord Advocate is assisted by the Solicitor General for Scotland, both Law Officers.