The mysterious disappearance of a Yorkton woman remains under investigation by Mounties. 18-year-old Mekayla Bali vanished from the city 23 months ago today. Police have expanded their investigation to include all four western provinces and the U-S Pacific Northwest, after initially believing she was in Regina or Saskatoon. R-C-M-P also continue to look for a person of interest who was seen at the bus depot the day Mekayla went missing, but the man is not considered a suspect.