Graham Dwyer trial: Gardaí extract thousands of text messages from Elaine O'Hara's phones

The murder trial of Graham Dwyer has been hearing from gardaí who say they extracted thousands of text messages from the phones and computer of his alleged victim Elaine O'Hara.

The 42-year-old architect of Kerrymount Close, Foxrock denies murdering the childcare worker at Killakee Mountain in Dublin in August 2012