In an announcement launched via Police Scotland, Donna – who was two at the time her brother disappeared – mentioned it was “beyond heartbreaking” to nonetheless not have any solutions about what occurred on 23 April 1976.
She informed BBC Scotland News she believes Sandy is not alive.
“Every day I think about him and every day I try to remember memories,” she mentioned. “I feel he’s useless.
“The greatest situation is that somebody introduced him up in a loving household, as their very own little one. But I feel he is been murdered, and we have to lay him to relaxation. He deserves that.”
In 2017, Donna told the BBC what she recalled of the day of the disappearance.
She mentioned: “We have been in the backyard enjoying with the canine and the canine bought out of the backyard.
“Sandy followed the dog and I went after them as well. I returned back with the dog and Sandy has never been seen since.
“It has at all times been half of my life. It has at all times been there.”
A massive police search was launched at the time, whereas work on properties and a college for the close by Bourtreehill property was suspended. Despite these efforts, no signal of the little one was ever discovered.
