Mr Puska, 33, from Lynally Grove, Mucklagh, near Tullamore, has pleaded not guilty to killing Ms Murphy (pictured) as she walked along the Grand Canal on the afternoon of January 12 last year.
The trial of Jozef Puska, accused of murdering 23-year-old school teacher Ashling in Co Offaly, continues in Court 13 of Dublin's Criminal Courts of Justice