school teacher was randomly attacked and murdered as she walked through a park in southeast london her death struck at the heart of the fears of many women who should have the right to walk in london's open spaces safely we had to act fast to catch her murderer and we had to take them off the streets this is how we solved it sabina nessa left the home address on a friday night to meet a friend at a local pub she was seen on cctv walking through cater park in kidbrook unbeknown to her her attacker laying weight in the park looking for an unsuspecting victim to come his way sabine's body was found 24 hours later partially concealed with long grass she had been struck over the head 34 times a murderer was on the run and our team immediately got the manhunt underway although the park's cctv captured the horrific incident it did not provide clear images of the suspect we spent hundreds of hours trawling through cctv until we got our first breakthrough one grainy cctv image showed a fluorescent object glinting as it moved through the park this guy