G Division (Dublin Metropolitan Police)

G (detective) Division was a plainclothes divisional office of the Dublin Metropolitan Police concerned with detective police work.[1] Divisions A to F of the DMP were uniformed sections responsible for particular districts of the city.

Early history

By 1859 much of the G Division's work was concerned with Fenianism. Superintendent Daniel Ryan headed the detectives answering to Sir Henry Lake, chief commissioner of the Dublin Metropolitan Police (DMP).[1] Ryan had an informer named Pierce Nagle within the offices of the Fenian Irish People newspaper. In 1865 Nagle warned Ryan about an “action this year” message on its way to the Irish Republican Brotherhood unit in Tipperary. On 15 July 1865 Irish American plans for an IRB rising in Ireland were discovered when the emissary lost them at Kingstown railway station. Ryan raided the offices of the newspaper on 15 September and the staff were arrested.[2] They were tried and sentenced to terms of penal servitude.

In 1874 John Mallon succeeded Ryan as head of G Division. Mallon's father had been linked with the Ribbon Society but the son had specialised in his career working against Irish republicanism. He had an extensive knowledge of the separatists and operated a personal network of spies and informers. In the 1880s G Division was pitted against separatist insurgents including the Invincibles. It also operated against the Land League and even the Irish Parliamentary Party, arresting Charles Stewart Parnell in 1881. Mallon supervised G Division until his retirement in January 1902. To protect his informants, Mallon had refused to commit much of his knowledge to paper.[1]

During Irish War of Independence

The unarmed and uniformed majority of the Dublin Metropolitan Police played a relatively neutral role during the troubles of 1919, restricting their functions to such traditional roles as criminal investigation and traffic control. However an expanded G Division was employed as an active intelligence agency against the IRA. In his book "The Spy in the Castle" David Neligan (an IRA informant who infiltrated G Division) suggests that much of this activity was unprofessional, dependent upon casually recruited local spies and English officers whose wartime experience in Cairo and elsewhere had little relevance to Dublin conditions.

Several DMP officers actively assisted the IRA during the Irish War of Independence (1919–21), most famously Edward Broy, who passed valuable intelligence to Michael Collins throughout the conflict. Broy was a double agent with the rank of Detective Sergeant (DS) [3][4] and worked as a clerk inside the G division branch. While there he copied sensitive files for IRA leader Michael Collins and passed many of these files on to Collins through Thomas Gay, the librarian at Capel Street Library. On 7 April 1919, Broy smuggled Collins into G Division's archives in Brunswick Street, enabling him to identify "G-Men", six of whom would be killed by the IRA.[5]

Another DMP "G" Division spy for Collins was David Neligan. In November 1923 the division was merged with "Oriel House", the Free State Intelligence Department. The new Detective Branch was put under the control of Colonel Neligan now Director of Intelligence in the Free State Army.

References

  1. 1 2 3 Patrick Maume, ‘Mallon, John (1839–1915)’, Oxford Dictionary of National Biography, Oxford University Press, 2004
  2. ↑ Christy Campbell, p.58-9
  3. ↑ Cottrell, Peter (2006). The Anglo-Irish War: The Troubles of 1913-1922. Osprey Publishing. p. 66. ISBN 1846030234.
  4. ↑ The Irish War: The Hidden Conflict between the IRA and British Intelligence by Tony Geraghty (ISBN 978-0801871177), p.336
  5. ↑ Cottrell, op. cit., p.53.
  6. ↑ Mackay, James. Michael Collins: A Life
  7. ↑ Kavanagh Family
  8. ↑ New York Times, 16 April 1920

Bibliography

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