This account was given to her servant , Barbara Martine , when she returned to the house .
It was said that the motive for the murder was self - defence as Macfarlane feared that she was to be sexually assaulted .
This account was given to Macfarlane 's servant , Barbara Martine , when she returned to the house .
It was said that the motive for the murder was self - defence as Macfarlane feared that she was to be sexually assaulted .