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.
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.
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.
There's a reason veteran homicide investigator Steve Spingola called Kelly Siegler "the Taylor Swift of cold cases" in the Season 7 updates special episode.