Cocaine was behind the death of Fabio Piga , the 37-year-old former carabiniere killed with a stab wound to the chest in Donegal in via Caprera in Cagliari.

Fabio Piga was at home in the club, his girlfriend Silvia works in Donegal. When they alerted him to some strange movements in the bathroom, he went in to chase Yari Fa and his friend away . The latter immediately left, Fa didn't like the intrusion and a fight broke out. The nineteen-year-old grabbed the knife and launched the only blow , which was fatal for Piga , who was hit in the heart.

Today the validation hearing for Yari Fa. In the first interrogation the 19 year old said that he had found the knife in the bathroom, that he had waved it out of fear and struck almost at random .