Sabina Nessa s killer was flagged to police three days before she was murdered, but they chose not to investigate. A 101 call was made to Sussex police after Koci Selamaj, 36 was acting strangely .
Albanian national Koci Selamaj, 36, used extreme violence to kill Ms Nessa, 28, whose body was uncovered underneath a pile of leaves in Cator Park, south east London.