. by GABE TORRES

In this Dateline classic, a prominent doctor’s wife is murdered on Valentine’s day. Investigators had plenty of theories to work with, but the suspect they brought into custody shocked everyone. Dennis Murphy reports. Originally aired on NBC on March 26, 2010.

In this Dateline classic, one thing is clear in a case of disputed evidence and contradictory testimony: 12-year-old Amanda Cope was brutally murdered, and she deserved justice. Her father confessed to her murder, but was he really a killer? Keith Morrison reports. Originally aired on NBC on July 9, 2010.

Fort Worth, Texas, investigators desperately search for answers after a 17-year-old high school student is kidnapped and murdered following a Valentine’s Day dance. Josh Mankiewicz reports.

After a fight with her mother, Angela, Ellie Green stays with her boyfriend’s family until things settle down at home. But when days go by with no word from her mom, Ellie begins to worry. Then she’s given the awful news: her mother is dead. But is that the truth? What really happened to Angela Green? Keith Morrison reports.

A chance encounter on the Pacific Coast Highway with a woman he first spoke to in a jail cell leads Keith Morrison to reexamine the mysterious death of Las Vegas casino magnate Ted Binion.