Our website uses cookies to enhance your browsing experience and to collect information about how you use this site to improve our service to you. By not accepting cookies some elements of the site, such as video, will not work. Please visit our Cookie Policy page for more information on how we use cookies.

Colm G. Horkan

Name: Colm G. Horkan

Rank: Detective Garda

Reg No: 26225M

Station: Castlerea

Years of Service: 25


Colm Horkan was born on 13 December 1970, in Charlestown Co Mayo, the eldest of seven children.

A proud member of the local Sarsfields GAA Club, he also represented Mayo at U21 level and was a keen golfer.

Colm Horkan joined An Garda Síochána on 25th of July 1994 and was stationed in Finglas, Castlerea and Ballaghadereen Stations.


On the night of 17 June 2020, Detective Garda Horkan responded to a call for assistance from his uniform colleagues in the Knockroe Area of Castlerea. The nature of the call was two males driving erratically on a motorcycle but were gone from the area upon the arrival of Detective Garda Horkan. Detective Garda Horkan continued to patrol the area and came across two males fitting the description on Main Street, Castlerea. Detective Garda Horkan stopped the patrol car and spoke with the males, one of whom he knew. The other male became extremely aggressive towards him and Detective Garda Horkan attempted to arrest him. This male violently resisted arrest and a struggle ensued. The male managed to take possession of Detective Garda Horkan’s personal issue firearm. He then intentionally discharged a number of shots from the firearm fatally injuring Detective Garda Horkan.