A jury has heard phone conversations took place between a 50-year-old Kildare man and his ex-partner before he called to her home and stabbed her to death.
Michael McDonald of Barnhill, Castledermot, denies murdering 31-year-old Breda Cummins at Michael Dooley Terrace in Athy, on May 13th 2010.
However he admits her manslaughter.
The couple had broken up several weeks before he killed her in her bed.
He is also accused of stabbing the hand of her new partner John Lawlor, who has been giving evidence at the Central Criminal Court.