For almost 7 years, Cindy James was terrorized by a sadistic stalker who repeatedly attacked her...and almost burned down her house! One day, the 44-year-old nurse ended up dead; her arms and feet bound with rope. Who killed her and why???

It was one of the most shocking celebrity deaths. Was Michael Jackson's sister-in-law, Dee Dee Jackson, murdered? Why did Kim Kardashian have to testify at the trial?

Blonde identical twins Alexandria and Anastasia Duval were inseparable and had an "amazing bond". The sisters did everything together....and even ran away together to Hawaii. So why was one twin accused of murdering the other?

Lindsay Buziak was a promising young realtor with a bright future.... until she was brutally murdered. Is her shocking death connected to a Mexican drug cartel?

Who kidnapped three little kids from a crowded beach in Australia? A former cop says it was a businessman nicknamed...The Satin Man. Could he be responsible for other mysterious disappearances?

Who was the infamous Zodiac Killer? A team of investigators knows exactly who he is. And they believe he had many more victims.

Newlyweds George and Jennifer Smith took an unforgettable cruise that turned...deadly. Was he murdered or was it all an accident? Is his death connected to the unsolved murder of a fellow cruise ship passenger years later?

Before she died, Princess Diana made a shocking allegation about King Charles. Why was she afraid for her life? Did the MI6 have something to do with her death?

Teenager Emanuela Orlandi disappeared off the streets of Rome. Just a few weeks before, another Italian girl vanished into thin air. Why would the Vatican kidnap these two girls?

21 year old model Juliana Redding was found brutally murdered in her Santa Monica apartment. The suspect's DNA was found all over the crime scene. So why isn't this person behind bars??