A grieving father has revealed the moment he discovered the bodies of his daughter and two grandchildren after they were the victims of a murder-suicide committed by his son-in-law.

Shocking reports earlier this week detailed how the Koch family, of Nebraska, were found dead on the day of their eldest son’s high school graduation. Jeremy Koch, 42, is believed to be responsible for the murder-suicide, with sources claiming that he had a long and troubled history with mental health. Continues…