The insanity plea different and must be determined by jury or judge. It is a plea the claims a person was suffering from a mental defect at the time of the alleged crime and could not understand the wrongfulness of their actions.
Pennington is scheduled to be back in court for a pre-trial hearing on June 23 and her trial is set for Sept. 12.
At her arraignment, Assistant Butler County Prosecutor Dan Phillips said the sisters were involved in a physical fight, which was not uncommon in their lives, when Monica walked into her sister’s bedroom, grabbed her pistol, walked back to her sister and pointed it at her.
Phillips said it was supposed to be a murder-suicide, but Pennington did not go through with the suicide part.