In September, Jackson posted a series of chilling messages on his Facebook page.
"Be nice to the demons, they make decent pets," he wrote on September 13.
One day prior, he posted: "You can be as deceptive as you want, but you can not hide the nature of an animal."
"When you have to lie to the mother's body to carry your seed, do not expect the abomination to succeed," he said on September 10.
According to Leavenworth County Court records, Jackson filed for divorce from his wife, Tara, on August 20, 2019.
Their next hearing was scheduled for November 12, 2020. On September 4, 2020, records show his attorney was granted permission to withdraw and Jackson began representing himself.
Dad wrote about 'demons' before 'killing young sons and abducting daughters'