First World War Brigadier General Frank Percy Crozier, CB, CMG, DSO (1 January 1879 – 31 August 1937) was a British Army officer.
After the war, he briefly served as an advisor of the newly established Lithuanian Army and commander of the Auxiliary Division of the Royal Irish Constabulary at the time of the Partition of Ireland.
[1] At the outbreak of the Second Boer War, Crozier travelled to South Africa and joined a mounted infantry regiment as the recruitment standards had been lowered.
Due to these morale issues,[1] in November 1915, the 107th Brigade was attached to the 4th Infantry Division and Colonel Crozier was made the commander of the 9th Battalion.
[7] The British Foreign Office sought to organise an unified army of Lithuanian, Latvians, Estonians, and Poles commanded by Crozier to drive out any remaining German forces, including the Bermontians, from the area.
[8] After the brief stint in Lithuania, Crozier returned to Ireland and became commander of the Auxiliary Division of the Royal Irish Constabulary (RIC) in July 1920.
[1] In February 1921, he dismissed 21 auxiliaries under his command after their raids on Trim, County Meath and Drumcondra, Dublin that left two young men dead.
[9] His superior, the Chief of Police in Ireland Henry Tudor, ordered the auxiliaries reinstated and Crozier resigned in protest.
He turned to writing and lecturing to earn a living, though unpaid bills and dishonoured cheques continued to follow him.