I'm looking for the name of the true life movie that was based on an Iowa women named Dixie Coronado, her husband murdered her in front of her children in the yard

I found a dixie shanaha in Iowa that killed her husband, then hid the body for a year.. it was on the oxygen channel.. "snapped Snapped - Dixie Shanahan - Yahoo! TV (http://tv.yahoo.com/snapped/show/dixie-shanahan/episode/99076)
I will keep looking though