The son of a taxi driver who was stabbed 87 times in Nottingham 30 years ago, says while his family are still suffering, his father's killer is free to live his life.
No one was ever convicted of the murder of John Landa, who died on this day in 1982.
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Co-pilot Andreas Lubitz, who crashed a plane into the French Alps, was in therapy for suicidal tendencies before getting his pilot's licence