Letters between Senator Mike Duffy and Senator David Tkachuk, head of the committee looking into his expenses, reveal that Duffy was at times an active participant in the Senate investigation.

The lawyer for Mark Smich says the Oakville, Ont., resident will plead not guilty to first-degree murder in the death of Tim Bosma, the Hamilton man who disappeared earlier this month after taking two men on a test drive of his truck. Smich was charged today, after Dellen Millard of Toronto was also charged with first-degree murder.

Toronto Mayor Rob Ford has parted ways with his chief of staff, the latest development in a tumultuous week at city hall where the pressure is growing for the mayor to comment on crack cocaine allegations raised by two media outlets.

Canadians' trust in the digital economy is at risk because our laws don't have enough teeth to compel companies to protect consumers' privacy, Canada's privacy commissioner says.

A teenager who says he heard a horrible "scream" from his beloved black labrador outside the family home in Belcarra, B.C., looked out his window and then went into action to save the dog from a vicious cougar.