Daniel Langlois and Dominique Marchand may not have been household names throughout Canada, but their achievements and projects received worldwide attention and recognition. In December of 2023, however, they were found brutally murdered on the Caribbean island of Dominica.

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W5 goes deep into one of the most dangerous migrant routes to expose how the Gulf Clan cartel is profiting from desperate migrants. 

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W5 visited Richmound, Sask., to learn more about the self-described 'Queen of Canada,' who controversially moved to the rural village with her followers last year.

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For years, a copper smelter at Rouyn Noranda, Que., 600 kilometres northwest of Montreal has been spewing a cocktail of heavy metals into the air. W5 discovers that some of the town's residents are no longer willing to pay the financial benefits from heavy industry.

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W5 investigates how companies allegedly use high-pressure door-to-door sales tactics to convince vulnerable homeowners to rent appliances they don't need while effectively putting liens on their homes without their knowledge.

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W5 investigates how the Panamanian government's 20-year mining concession with a Canadian mining company triggered weeks of protests and civil unrest, stoked fears of environmental devastation and prompted the country's Supreme Court to intervene.

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W5 investigates Canadian companies that rack up hundreds of complaints with consumer watchdogs like the Better Business Bureau and why companies that are identified as repeat offenders are allowed to continue operating.

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Investigating the web of Canada's so-called 'crypto king'. CTV W5 speaks to trusting investors who believe they lost millions to a jet-setting 25-year old and his associates.

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For decades, Celine Dion captured the hearts of Canadians with her powerful voice. But the singer has been out of the spotlight since announcing she was diagnosed with stiff person syndrome, a rare neurological disorder that causes muscle stiffness and painful spasms.

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Sandie Rinaldo has interviewed hundreds of key newsmakers - from politicians to celebrities and beyond. W5 takes a look back at her most memorable interviews from the last 50 years.