Montgomery seemed to have it all — she appeared to have a happy family life with her husband Pat and their two children, and her bubbly personality made her popular among the other congregants at her local church.
But in 1980, after Betty Gore was killed with an ax, Montgomery quickly became the main suspect, and it came to light that she and Gore's husband Allan had been having an affair.
After a highly-publicized trial, however, Montgomery was acquitted by a jury.