Overview

• The trial of Jack Callahan began this week, with the prosecution alleging he drowned his father in a pond during a supposed exorcism.
• Callahan, who was 19 at the time of the incident, told police he believed his father was possessed by a demon named 'Dirty Dan'.
• Witnesses testified about the events leading to Scott Callahan's death, including an altercation at Island Creek Pond.
• The defense argues that Jack Callahan was experiencing a mental health crisis during the incident.
• The trial is expected to last about a week and a half, with Callahan having pleaded not guilty to the murder charge.