Crown Agent is the principal legal adviser to the Lord Advocate on prosecution matters. He also acts as Chief Executive for the Department. He acts as solicitor in all legal proceedings in which the Lord Advocate appears as representing his or her own department. He issues general instructions from and on behalf of the Lord Advocate for the guidance of Crown counsel, procurators fiscal, sheriff clerks and other public officials, transmits instructions from Crown counsel to procurators fiscal about prosecutions, and, subject to the direction of the Principal Clerk of Justiciary, arranges sittings of the High Court of Justiciary. At trials in the High Court in Edinburgh, he attends as instructing solicitor. The Crown Agent also holds the office of King's and Lord Treasurer's Remembrancer, and all property that falls to the Crown as a result of bona vacantia in Scotland is his responsibility, as is treasure trove. The post of KLTR was created in 1837 by the amalgamation of two existing posts created in 1707 – the King's/Queen's Remembrancer and the Lord Treasurer's Remembrancer, and has been held since 1981 by the holder of the office of Crown Agent. Advocates depute At the High Court of Justiciary prosecutions are brought by the Crown Office, who are represented in Court by Advocates Depute. Advocates Depute are either advocates or solicitor-advocates to whom rights of audience in the High Court have been given by that Court. Procurators fiscal For the majority of crimes in Scotland a procurator fiscal or fiscal depute presents the case for the prosecution in the sheriff court and justice of the peace courts, and the case for the defence is presented either by the accused's own solicitor or by one from the Public Defence Solicitors' Office, a part of the Scottish Legal Aid Board. Procurators fiscal make preliminary investigations into criminal cases, take written statements from witnesses (known as precognition) and are responsible for the investigation and prosecution of crime. This includes the power to direct the police in their investigation, but except for serious crimes such as murder the police normally complete their enquiries before involving the procurator fiscal. Once someone has been charged with an offence and remanded in custody, the Crown must bring the case to trial within 110 days or the accused will be admitted to bail. Otherwise, in serious cases (known as solemn procedure with a jury as opposed to summary procedure