EXCLUSIVE: Steven Donaldson murderer Callum Davidson to appeal 24-year jail term for Kinnordy killing

Steven Dickie (top left), Tasmin Glass (top middle) and Callum Davidson (top right) were all convicted of killing Steven Donaldson (bottom right).
Steven Dickie (top left), Tasmin Glass (top middle) and Callum Davidson (top right) were all convicted of killing Steven Donaldson (bottom right).

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