Former state pathologist says there is no evidence Nora Sheehan was strangled meathchronicle.ie - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from meathchronicle.ie Daily Mail and Mail on Sunday newspapers.
However, former State Pathologist Dr Marie Cassidy agreed with prosecution lawyers that death from asphyxia by one of two methods could not be proved .