Christi Jo met Mark Nichols when she was 19-years-old, they got married and had two children. Rumors began swirling that the couple was having marital problems and Mark was allegedly abusing Christi. Mark discovered that Christi was meeting up with an abuse counselor and divorce attorney, which made him very angry. On December 10th, 1987, Mark and Christi took the kids out for pizza and to see Santa. Later that night, they got a babysitter and the couple went out to the bar. Christi went missing and Mark's behavior was very sketchy. This case is unsolved and is classified as a homicide.
Website: Drinking The Cool Aid
Resources:
Christi Jo Nichols – The Charley Project
The Disappearance of Christi Jo Nichols – Stories of the Unsolved
UPDATE: Christi Jo disappearance, 32 years later | News | gothenburgleader.com
Christi Nichols | Unsolved Mysteries Wiki | Fandom
Christi Jo Nichols - Unsolved Mysteries
Did This Husband Really Get Away Murder or Could This Case Still be Solved? | thecrimeshop