The jury in the Graham Dwyer trial has been shown video of what appears to be the architect stabbing a woman.
The 42 year old Cork native with an address at Kerrymount Close, Foxrock denies murdering childcare worker Elaine O'Hara at Killakee Mountain in Dublin in August 2012.
Our Courts Correspondent Francesca Comyn reports:
(Warning: Report contains graphic content)
