A respected teacher who knifed her husband to death has been jailed for four years.
Mrs Boyle was sentenced at the High Court in Glasgow
The High Court in Glasgow heard that Madge Boyle, 55, was suffering from manic depression when she killed her husband Thomas last July.
Mr Boyle, a construction worker, received a single wound in his arm which severed an artery.
He tried to drive to hospital, but bled to death and was found by police slumped behind the wheel of his Jeep.
Mrs Boyle, was originally charged with murdering her husband on 14 July last year in their home in Giffnock.
But when she made the first of her many court appearances, the Crown accepted she was not guilty of murder, but guilty of the lesser crime of culpable homicide.
The prosecution's reasons for accepting a reduced plea were based on the fact that the knife blow, although not a freak one, had not been intended to kill him.
The injury would also have been survivable had he received prompt medical treatment.
The Crown concluded, too, after hearing from two psychiatrists that at the time Mrs Boyle slashed her husband, her responsibility was diminished because of mental illness.
During the case the prosecution revealed that reports that the couple were violent towards each other had been investigated and nothing could be found to confirm, contradict or deny them.
Mrs Boyle was detained at Carstairs mental hospital while psychiatrists prepared reports to help the judge decide whether she should remain in Carstairs, be treated in a locked hospital ward, an unlocked hospital ward, or sent to jail.
Lord Mackay of Drumadoon, concluded that a prison sentence was the only way of dealing with her case.
But he backdated the sentence to 15 July last year when she was detained after the killing.