He was convicted of the murder of his wife Claire in Aberdeenshire in 1994.
The demonstration is due to take place during school hours.
Aberdeen University Winter Graduation at Elphinstone Hall saw students celebrate with friends and family on King's College campus.
Dionne Wilson told jurors it was self-defence when she used a knife against Sara Irvine, who it was claimed had pinned her down during a fight about a man.
The shop has been on Falconer Place since 2022.
It comes after previous plans to turn the long empty brutalist building into luxury flats fell through.
The former barracks building at Don Street is being flattened to make way for a Farmfoods.
Stuart Kennedy was found guilty of sexually assaulting the distressed bride-to-be on her hen night.
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