Pychiatric expert agrees Tanya Doyle's behaviour 'certainly odd' in day's before husband's stabbing death

A psychiatric expert has agreed under cross examination that murder accused Tanya Doyle's behaviour was "certainly odd" in the days before stabbing her husband more than 60 times.

The 40-year-old admits killing engineer Paul Byrne at their home in Pairc Gleann Trasna, Aylesbury in Tallaght, Dublin on September 4, 2009, but denies his murder.