Scottish serial killer Peter Tobin has died at the age of 76.
The killer was convicted in 2007 of murdering Angelika Kluk (23), Vicky Hamilton (15), and Dinah McNicol (18).
It is thought that his list of potential victims is far higher, with his record including burglary, forgery, and rape.
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He was sentenced to life in prison and had been serving his term at HMP Edinburgh when he died of cancer on Wednesday 5 October.
Tobin was most commonly known as The Anagram Killer, due to the legendary police case's codename - Operation Anagram.
The operation started in 2006 after Tobin's first conviction and narrowed down his connection to other unsolved murders and disappearances.
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By 2010 it was reported that the operation had narrowed down their review to nine cases, however, the only ones Tobin was confirmed as having down were the three murders for which he was convicted.
In 1991 he killed Hamilton and McNicol, their bodies were found 17 years later buried in the garden of his old home, in Margate, Kent.
In 2006 he killed McNicol and hid her body under the floor of a Glasgow church, he was arrested shortly after he body was found.
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However, he has been unofficially linked to dozens of unsolved deaths alongside these.
What caught police's attention is the brutal way in which he killed his victims - bludgeoning Kluk to death before going on to tie her up, gag her and stab her 16 times.
And he's not ashamed on his crimes. Eerily, he is even reported to have told a prison psychiatrist that he'd killed as many as 48 women, then smiling and challenging him: "Prove it".
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The serial killer became the subject of a documentary in 2019, when former Scotland Yard detective Jackie Malton investigated Tobin.
Called The Real Prime Suspect, the show dived into the dark past of the serial killer, with Jackie speaking to the police officers, the forensic scientists and the legal team who brought him down.
"We know that Tobin convicted the last murder at quite a late age in life, he was 61 years of age. We also know that he committed two murders in 1991, and he buried the bodies in the garden of a house in margate in Kent," Jackie says in a clip for the show.
Former senior investigating officer for the case, David Swindle, said: "I believe Tobin has definitely killed other people. You don't get to 60 years of age and kill someone the way he did [for the first time]."
Shola Lee