A former community centre caretaker who raped and abused vulnerable adults and children at a holiday Park in Arbroath has been jailed for 15 years and four months.
Aberdeen man David Robertson (56) abused 16 people between 1974 and 2011.
The offences were committed at a holiday park in Arbroath, and also in Aberdeen, a caravan park at Nairn and in Keith.
Robertson, who had earlier been convicted of a total of 25 charges including indecent behaviour, assault and rape, was convicted of raping two women and a girl under the age of seven. Two men were also among his victims.
Sentencing him at the High Court in Edinburgh, judge Lord Boyd of Duncansby also ordered that Robertson be kept under supervision for a further 10 years when he can be returned to jail if he offends again, or breaches licence conditions.
The judge said: “It is clear while at liberty you pose a substantial risk to the public.”
He added: “Seven of the victims were girls under the age of 16, two were adult women with learning difficulties and one of your male victims also had learning difficulties.
“No one who sat through the trial could fail to be moved by the accounts of abuse at your hands.
“One of the victims said the day the family moved away from Aberdeen was the happiest day of her life as she knew she would then be free from you.”
Lord Boyd said he considered that Robertson had little or no insight or understanding of the effect of his crimes on his victims.
Liam Murphy, procurator fiscal for the north of Scotland, said: “The actions of David Robertson devastated the lives of many, left permanent mental scars on his vulnerable victims and destroyed a number of families.
“Thanks to the incredible bravery of his victims in coming forward to report what happened to them, it has been possible for us to bring him to face the full force of the law for his despicable crimes.”
Robertson will now be on the sex offenders’ register for the rest of his life.