Charges laid against those accused of killing Vanderhoof local Fribjon Bjornson have been upgraded from second degree murder to first degree murder.
Wesley Dennis Duncan, James David Junior Charlie and Jesse Darren Bird have all been charged with first degree murder in relation to the slaying.
Bird and Charlie have also been charged with indignity to human remains. Teresa Marie Charlie is charged with obstruction of justice and accessory to murder after the fact.
Bjornson's head was found in 2012 in a vacant building on the Nak'Azdli reserve near Fort St. James, a little under a month after he was reported missing. Bjornson, 28 and the father of two, was last seen at a 7-Eleven in Vanderhoof. The remainder of Bjornson's body has not been located.
The accused will appeared in court on July 14 and will appear again on July 21, 2014.
If convicted the accused may face life in prison.