In the summer of 1649, the judicial machinery of Fife turned its attention toward Katharine Grieve. Her case, documented under reference C/EGD/204, culminated in proceedings held on July 11, 1649, following a period of detention in the local tolbooth. The records indicate that the legal process against Katharine was deeply interconnected with a wider web of accusations; she was formally denounced by no fewer than fourteen other individuals involved in the witch trials of the period, including Margaret Blaikburne, Hellane Stanhous, and various members of the Greve family. These testimonies suggest that Katharine was a focal point within a series of investigations centered on the charge of participating in witches' meetings.
The gravity of the proceedings is reflected in the confession recorded during her time in the tolbooth on January 10, 1649. While the specific content of her admission remains bound to the formal archive, the fact of her confession, combined with the extensive network of denunciations from figures such as Issobel Mitchell, Barbara Chattow, and Katherine Smith, highlights the intense social and legal scrutiny she faced. For Katharine, the events of 1649 marked the intersection of her personal life with the heightened religious and judicial anxieties of seventeenth-century Scotland, as she was drawn through the multifaceted trial processes labeled T/LA/1548 and T/LA/1549.