During the Riel Uprising in 1885, he organized a volunteer company for home defence, known as the Regina Blazers. He also acted as one of the Counsels to the Crown during the trails of Louis Riel, Poundmaker, Big Bear and others.
In 1887, David Scott was named the first Queen's Counsel in the North West Territories. When a vacancy occurred on the bench of the Supreme Court of the North West in 1894, he received the appointment and moved to Alberta. He became the Chief Justice of Alberta in 1921 and held that office until his death three years later.
CORA-RPL-A-0143 Opening of the Qu’Appelle Long Lake and Saskatchewan Railway, Chief Justice David L. Scott. is in the middle, front row.