Dwyer trial hears evidence on two 'secret' phones

The Graham Dwyer murder trial is hearing evidence about two secret phones he is alleged to have used to contact Elaine O'Hara.

The 42-year-old architect from Kerrymount Close, Foxrock, Dublin denies stabbing the childcare worker at Killakee mountain in August 2012. Her skeletal remains were found in September 2013.