Killer Graham Dwyer's bid for freedom

Graham Dwyer has been in prison since 2013 but has never admitted to killing Elaine O’Hara. In April, his bid for freedom was boosted by a European court ruling which questions the gathering of phone evidence that was key to his conviction. Will the convicted murderer walk free and will this ruling open the floodgates for other criminal cases too?

See omnystudio.com/listener for privacy information.