A fifth person has been charged with the murder of Tiki Brook-Lyn Laverdiere.
Nikita Sandra Cook of the Onion Lake Cree Nation is charged with first degree murder and kidnapping. She is wanted on a Canada-wide arrest warrant.
Anyone with information regarding her whereabouts is asked to contact their local RCMP detachment or police service.
Four other people have been charged with Laverdiere's murder, and two have been charged with being an accessory after the fact.
Laverdiere, of Edmonton, was last seen May 1 in North Battleford. On June 10, Saskatchewan RCMP said they believed her disappearance was the result of foul play and were investigating her death as a homicide.
Her remains were found near North Battleford on July 11.