. >> karen campbell, anchorage. >> reporter: she told her media friends it was murder, the troopers didn'they were doing. >> she wouldn't have taken a ride, not from a stranger for sure. >> there was nothing accidental about it. >> reporter: but initially it did look like an accidental fall to one of the troopers, the one who happened to be the first to talk to karen. but the others saw the evidence and thought, murder. one trooper at the crime scene was tim hunier, now retired. >> one thing strange to us, we did find one drop of blood on a leaf at the top of the cliff. >> reporter: one drop of blood. >> one drop of blood. >> reporter: which was found by this man, trooper robert beatty, also now retired. >> i was on my hands and knees and was looking and came across that drop of blood. >> reporter: how big was this drop? >> about the size of an eraser head really. the interesting part about that was that it was a drop that had fallen straight down. >> reporter: indicating to the troopers that she'd been hurt somehow before she got anywhere near the edge of the cliff. >> with it being, you

campbell reports. the families of karen hadaway and nicola fellows never doubted the ship was the killer.riends, karen and nicola, had gone out to play in the local park. a reconstruction showed their final movements before they went missing. the following day, their bodies were found in dense undergrowth underneath the trees, one lying across the other in this makeshift den. both had been strangled and sexually assaulted. russell bishop, then aged 20, knew both of the girls, and quickly went from witness to suspect. he was charged with their double murder. on december 1987, a jury took less than two hours to acquit him. karen and nicola's families tried to keep the enquiry into their daughter's death open. maybe one day somebody will realise there is a murderer out there on the street. just two days after their warning, russell bishop attacked and almost killed another young girl. in1990, attacked and almost killed another young girl. in 1990, russell bishop was convicted of the kidnapped and attempted murder of a seven—year—old girl. he looked her in the boot of his carand girl. he look

campbell reports. every october for the last 32 years, the families of karen hadaway and nicola fellows leave tributes mothers grief still overwhelming. karen's father wouldn't live to see his daughter's killer found guilty. she was our first born and the apple of his eye. he went into that mortuary, the man i loved and adored and would have done anything for, and came out a complete stranger. as this police reconstruction from the time showed, karen and nicola went out to play in the local park one october evening in 1986. they never returned home. the following day their bodies were found in dense undergrowth. one lying across the other in this makeshift den. both had been strangled and sexually assaulted. russell bishop, then aged 20, was charged with the double murder. but a year later, in 1987, a jury took less than two hours to acquit him. speaking to the bbc, he played the victim. i can't stand being around kids now. i can stand it. i don't even like taking mine out the door because i'm looked at. karen and nicola's families tried to keep the inquiry into their daughters‘ deaths open. maybe som

campbell reports. each year on the anniversary of their deaths, the families of karen hadaway and nicola fellows have left their grief still overwhelming. i don't know how to go on now. i go home, shut the door, and i'm on my own, no—one there. it's so hard. karen's father wouldn't live to see his daughter's killer found guilty. she was our first—born, and the apple of his eye. he went into the mortuary, the man i loved and adored and would have done anything for, and came out a complete stranger. as this police reconstruction from the time showed, karen and nicola went out to play in the local park on an october evening in 1986. they never returned home. the following day, their bodies were found in dense undergrowth. 0ne lying across the other in this makeshift tent. both had been strangled and sexually assaulted. russell bishop, then aged 20, was charged with the double murder. but a year later, in 1987, a jury took less than two hours to acquit him. speaking to the bbc, he played the victim. i can't stand being around kids now. i can stand it. i don't even like taking mine out the door, ‘cause i'm loo