Audrey Fitzpatrick and Dave Mahon

DAVE Mahon has lost his appeal to have the sentence he received for killing his partner’s son reduced. 

The 46-year-old was given seven years behind bars for the manslaughter of 23-year-old Dean Fitzpatrick, his stepson, in May 2013.


The young man was stabbed in the abdomen outside the apartment his mother, Audrey, shared with Mahon in Dublin.

The court heard that the two men had been arguing about a missing part of a bicycle.

The State argued that Mahon was drunk and agitated and had intended to kill his stepson.

Mahon claimed the death was accidental and that Fitzpatrick ‘walked into the knife’ he was holding.

STILL MISSING: Amy Fitzpatrick

The jury found him guilty of manslaughter in June last year.

Mahon did not appeal his conviction but appealed the severity of the sentence, but it was dismissed in court today.

It comes almost 10 years after Fitzpatrick’s 15-year-old sister Amy Fitzpatrick went missing on New Year’s Day 2008 as she walked home from a friend’s house on the Costa del Sol.

She has not been seen since.

Amy’s mother Audrey Fitzpatrick has forgiven Dave for killing her son.

The pair were engaged before Amy disappeared from near her home in Calahonda.

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