The public have been informed to not strategy McKinnon in the event that they see him.
He is described as white, 6ft and of slim construct, with a shaved head. When last seen he was carrying a black jacket with a purple hood, or purple hood lining, and blue denims.
The pressure mentioned its enquiries had recommended McKinnon might have important data in reference to the loss of life.
Supt Craig Brady mentioned: “We have a dedicated team of officers working to find Grant McKinnon. Our enquiries suggest he may have been in an agitated state when last seen.
“Officers stay in the world and searches are being carried out in a quantity of areas, which embrace specialist sources from our canine unit.
“We understand this police presence may be unsettling for the local community but please be assured we are doing everything we can to trace Grant.
“I’m additionally interesting to the area people to help us and asking anybody who is aware of the place Grant is or the place he is likely to be to get in contact.”
