A convicted paedophile who was questioned over the disappearance of a Bonhill teen - who vanished greater than 4 many years in the past - has died.
Norman Duncan, 75, was discovered useless at his house in Ladyton final week.
Police Scotland confirmed officers had been known as to an handle within the Bonhill neighbourhood following a sudden demise and confirmed there have been no suspicious circumstances.
A spokesperson stated: “Round 8.35pm on Wednesday, Could 25, police had been known as to a property in Ladyton, Bonhill, following the sudden demise of a 75-year-old man.
“There aren't any suspicious circumstances surrounding the demise and a report can be despatched to the Procurator Fiscal.”
The pensioner was investigated by police over the disappearance of his stepdaughter Mary Duncan, who was final seen in 1976, aged 17.
Regardless of in depth searches for Mary, together with at Norman Duncan’s house, the Vale of Leven Hospital and in Helensburgh, her case stays unsolved.
Officers swooped on Duncan’s home in 2019 within the hope of clues after launching a contemporary lacking individuals probe.
Police wouldn't affirm the search was linked to the lacking lady, however her sister Mandy Duncan stated on the time: “We're praying that there's something in that home which is able to lead us to Mary and convey us closure.
"All we are able to do now could be wait — we simply need it to be over.”
A forensic workforce combed by way of the terraced home throughout a seven-day search, whereas Duncan was behind bars for twisted crimes.
In 2016, he was convicted of impregnating a 15-year-old lady and sexually abusing three kids almost half a century earlier.
He was discovered responsible of six fees involving 4 women aged between eight and 15, all dedicated between the Sixties and Nineteen Seventies, and acquired a five-year jail sentence.
After finishing his jail time, he returned again to his house in Ladyton.
Searches additionally came about on the Vale of Leven Hospital in 2020, the place Mary frequented, and land in a residential space of Helensburgh was additionally searched later that 12 months.
Heartbroken sisters Debbie Renwick, Mandy Duncan and Marion McFarlane made an emotional plea for info after a brand new probe was opened in 2018, describing her as a “devoted mom” and “quiet, glad lady”.
She vanished with out a hint after leaving her house in Third Avenue, Bonhill, on March 19, 1976 to go to a buddy in Tullichewan.
The teenager left behind a daughter Laura, who she adored, born on February 17, 1975. Child Laura tragically died of pure causes the next 12 months.
Mary was carrying a navy skirt, black platforms, a inexperienced hoodie and a black and white dogtooth coat when she was final seen.
Detectives have informed how they imagine important clues about what occurred to Mary, who labored as a machinist in Rosshead, lay inside the group of West Dunbartonshire.
Whereas stressing it's a lacking individuals probe, officers stated they might not rule out the chance that Mary has come to hurt.
Talking at a press convention in the course of the re-appeal for info, Detective Superintendent Calum Younger stated: “Mary’s household had been left devastated by her disappearance, a ache which lives with them to this present day and it's important that we unravel what occurred to their sister and supply them with some closure.”
He admitted it was a “difficult” investigation given the passing of time and stated any new applied sciences could be utilised to their full impact, including: “Each useful resource is at our disposal.”
A Police Scotland spokeswoman confirmed enquiries into Mary’s disappearance stay ongoing.
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