24-year-old Gregg Smart's teenage killer was having an affair with his wife Pamela.
The murder of doctor unearthed a story of wealth, fame and jealousy from a jilted lover.
Joe Hunt was the con man behind the so-called 'Billionaire Boys Club'.
The death of 18-year-old Jennifer Levin garnered widespread media coverage in the US.
Notorious cult leader Charles Manson masterminded the killings of nine people in 1969.
Convicted killer Steven Avery's trial became the subject of a hit documentary series.
Convicted murderer Pamela Smart gives her version of events in an exclusive interview.
