'The Cartel' - @SteBreen on the rise of Kinahan cartel and the bloody feud that has rocked Dublin

Stephen Breen has been a crime correspondent for over 15 years. He's covered some of the most violent and brutal crime gangs in Ireland. His new book The Cartel , written with fellow journalist Owen Conlon, looks at the rise of the Kinahan cartel and the bloody feud that has rocked Dublin over recent years. Stephen spoke to him and asked him to lay out the background to the feud.