The 78-year-old is charged with a dozen offences. Police also said they found C$300,000 at his home.
BBC's Nadine Yousif and Eloise Alanna spent five days travelling with the country's military rangers through frostbite and sub-zero temperatures.
Churchill, Manitoba, best known as the world's polar bear capital, has ambitions of making its deep-water port a year-round trade route.
Across 5,200 km of Canada's Arctic, its military spent two months on a mission to meet the challenges of a changing north.
Senior party members in western Canada have distanced themselves from Avi Lewis over his stance against new oil and gas development.
The UK-owned, Canadian-made whisky is testing a united "Team Canada" approach in the face of US tariffs.
Provinces in Canada are figuring out what to do with their stockpiles of American liquor worth millions of dollars - some of which will soon expire.
Investigators said the 18-year-old killed was the sister of the suspect, who was known to police.
Manitoba Premier Wab Kinew was critical of a letter sent by six US lawmakers concerned over wildfire smoke drifting south.
