The jury in the trial of Graham Dwyer has been shown videos of him flying a model airplane at a family event 3 days before he's alleged to have stabbed Elaine O'Hara to death.
The 42 year old architect from Kerrymount Close, Foxrock denies murdering the childcare worker at Killakee Mountain in Dublin on August 22nd, 2012.
Our Courts Correspondent Francesca Comyn reports:
