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.
After Donna Palomba was raped in her own bedroom as her children slept, police threatened to arrest her and it would take years for the surprising attacker to be caught.
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.
Mark Weinberger, a successful Indiana doctor, promised wife Michelle Kramer a birthday surprise she'd never forget. She couldn't have imagined the dark secrets in store for her.
Jesse Valencia was found dead, partially clothed, lying in the grass between two houses just off the Columbia, Missouri campus of the University of Missouri on June 5, 2004.
The wounds California nurse Sherri Rasmussen suffered in her final moments of life were "extensive and disturbing," but it would take more than two decades to reveal the surprising killer.
After Patrick Frazee first tried to get his girlfriend Krystal Kenney to kill his fiancée Kelsey Berreth, he eventually took matters into his hands on Thanksgiving Day of 2018.
