The L.A. Innocence Project has theorized that mother-to-be Laci Peterson was kidnapped and murdered after witnessing a burglary across the street from her home.
Lynette Dawson mysteriously disappeared in January 1982, but her husband, Christopher, quickly moved on to his secret teenage lover in the case that inspired the podcast The Teacher's Pet.
Michigan mom Renee Pagel was found stabbed more than 50 times in her home on Aug. 5, 2006, just days after she donated one of her kidney's to the father of one of her nursing students.
Authorities believe the Connecticut moms lost their lives at the hands of their estranged husbands, now legislation in the state is aimed at preventing similar tragedies.