A crime scene investigator is gunned down in broad daylight. The harrowing scene is captured on surveillance video. Who pulled the trigger? "48 Hours" correspondent Erin Moriarty reports.
A woman is charged with her stepfather's murder when he is found dead soon after she discovered explicit photos of herself on his computer.
The wife of a fertility doctor is found dead at the bottom of a staircase. Did her dogs play a role in her death or was the scene staged to cover a murder? "48 Hours" correspondent Tracy Smith reports.
When her mother disappears, 7-year-old Nicki Bates begins a lifelong search to find her and bring her killer to justice. "48 Hours" correspondent Peter Van Sant reports.
When Becky Bliefnick was murdered, an answer her husband gave on "Family Feud" years earlier raised eyebrows. "48 Hours" correspondent Erin Moriarty reports.