Gardai are keen to speak to anyone who may have been in contact with the victims of a murder-suicide in Letterkenny prior to their deaths.
The body of Daniel Duffy who was in his 80s was discovered in a house in the Windyhall area on Thursday December 23rd while his son, Damien was found dead in a car in an adjacent shed.
Investigations are ongoing.
Garda Niall Maguire is asking anyone with any information to contact them:
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