Thompson RCMP investigate aggravated assault

Thompson, Manitoba – On December 6, 2019, RCMP responded to a report of an unresponsive male, outside of the South Tower on Princeton Drive in Thompson, Manitoba. He was transported to hospital with life-threatening injuries. The victim, a 50-year-old male from Selkirk, remains in hospital with serious injuries.

On January 7, 2020, RCMP arrested and charged 32-year-old, Donald Timothy Massan with Robbery and Aggravated Assault and 42-year-old Mariah Martha Baker with Robbery in relation to this incident. Both suspects are from Thompson.

Police are searching for two additional suspects.

Jackson and Cook
Jackson and Cook

Patrick Shamus Jackson, 30, of Thompson, is wanted for Robbery.

Jerome Montgomery Cook, 23, of Pikwitonei First Nation, is wanted for Robbery and Aggravated Assault.

If you have information on their whereabouts please call Thompson RCMP at 204-677-6909 or call CrimeStoppers anonymously at 1-800-222-8477, or secure tip online at

Thompson RCMP, along with the Major Crimes Unit, continue to investigate.

Thompson RCMP

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