Toxic cocktail of circumstances that turned a family man into a murderer
Drink and drugs seem to lie at the heart of helpful neighbour and loving father Mark Hennessy's transformation into a despicable killer, writes Dr Patrick Randall
How does a seemingly normal 40-year-old family man lose all sense of perspective and transform into an enraged murderer who callously took the life of an innocent young woman, an accountancy student, making her way home on a Saturday evening?
Were these dormant, deviant personality characteristics or psychopathic traits, hidden from view waiting for the perfect conditions to reveal themselves?
Was this a man whose levels of stress and anger exceeded his coping abilities, resulting in the primal and depraved actions that led to the death of Jastine Valdez?