Who Killed Biggie and Tupac?

For the first time, exclusive and never before heard audio diaries of legendary detective Lou Smit will reveal captivating insight into one of America's most notorious cold cases - the murder of 6-year-old pageant queen JonBenét Ramsey.

This six-part documentary reveals the person behind the princess, with rarely seen footage and new interviews that reframe the conventional story of her life and legacy. The series explores Diana's strength and flaws, revealing a compelling and complicated woman who was an aristocratic rebel, fashion icon, humanitarian hero, hopeless romantic, and dedicated mother.

An intensive psychological test by Professor Philip Zimbardo in 1971 saw US students volunteer to play prisoners and guards in an bid to examine the nature of good and evil. Within five days, four prisoners had broken down and another was on hunger strike. This film, containing strong language, reveals why the test was abandoned after less than a week.