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.
When Arelie Garcia, 25, didn't show up to her job near her Salinas apartment and stopped responding to messages from family, they knew something was wrong.
Solving this decades-old cold case took one woman's courageous choice to come forward, advances in DNA technology, and some chilling words from the killer himself.
Chris Kruse told authorities that he and wife Jan had fallen asleep and he woke up in the middle of the night to a loud bang, then got up and saw Jan sit up and say, “Oh my God,” before he realized she'd been shot.