Barbara Mohler told the gunman, who was her brother-in-law Paul Gilkey, that she had proof he had killed wife Carolyn Gilkey in 1972, according to police records obtained by The Associated Press. Carolyn's death had been originally ruled a suicide.
That sister, Darlene Gilkey, was not wounded in the 2012 murder-suicide but had been sick and died a few days later. She had divorced Paul Gilkey after he killed a cousin with a metal fence post in 1974, but remarried him when he was released from prison 10 years later.
An account of the murder-suicide came from Ralph Sowers, Paul Gilkey's stepson, who told authorities Gilkey let him go free that day because he had children. He witnessed the shootings and then fled, according to Hocking County Sheriff's Office records obtained late last month after requests dating
"There was never anything that we would have had that would have proven he killed Carolyn," said Mohler's husband, James, who added that family members had long suspected Paul Gilkey of killing Carolyn.