Crannell's Investigation of the Murder of Dunal Dunn

Crannell: I think a bigger question around that is his behavior before and after the killings he behaved in a way that was utterly the arctic. He left a tray of clues he tried to disguise himself in a very inept way, Crannell says. O'Connell's investigation we're haunted by the sense of we've got to find a root cause for this kind of evil said Crannell.