Sergeant Chris McKay grew suspicious during a routine call to check on a vulnerable person.
He did not know that Margaret Fleming, who had learning difficulties, had been killed more than a decade earlier, when she was 19.
But when he paid a visit to her carers he instantly spotted something was not right.
Chris vividly remembers meeting oddballs Edward Cairney and Avril Jones at their home in 2016.
He recalled: “Our job from the outset was to find Margaret. That’s what response cops do on a daily basis.
Denne historien er fra January 03, 2021-utgaven av Daily Star Sunday.
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Denne historien er fra January 03, 2021-utgaven av Daily Star Sunday.
Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.
Allerede abonnent? Logg på
DARWIN'S EVOLUTION
Reds striker could be key to Kop club's title bid
TAMING A MONSTER
Ruben told by Ruud he will be stunned at club's huge appeal
PLAYING A GYOKER
Amorim has answer to United's scoring riddle at fingertips
BENT WARDERS ON 'INSIDE JOB'
Gangs sneak crims into jails
BLING AND BYE!
Families want pimped-out plots to remember their loved ones
I'm twisting Hollywood's melons man
BEZ FLICK 'SNOW WHITE WITH ZOMBIES'
CHICKEN & EGG RIDDLE IS CRACKED
Boffs: Hens came second
FOOLIN' BAN AT £550 FAN FEST
Strict rules for TV sitcom gathering
Stay-inn boozers drub pub
HOME BARS SURGE
NO FUN HOUSE..
Pat: Show too risky now