CBC NewsCBC Investigates, the investigative unit of CBC Edmonton, has won four national awards for “Aura of Power,” the series of stories which exposed the personal and political misuse of public resources by former Alberta premier Alison Redford. The investigative unit – with reporters Charles Rusnell and Jennie Russell – won the Don McGillivray award for best overall investigative story from the Canadian Association of Journalists at its annual conference on June 6 after earlier winning in the community broadcast category.

Also on Saturday, Rusnell and Russell won both the national investigative TV and radio awards from the RTDNA, the organization which represents broadcast journalists in Canada, at its annual conference in Toronto.

Aura of Power also won the prestigious Edward R. Murrow award, in the radio category, from the American RTDNA.

It has been an incredible year for the highly talented journalists at CBC Edmonton,” said Gary Cunliffe, managing editor of CBC Edmonton. “Great storytelling is our passion and commitment.

This is the second consecutive year CBC Investigates has won the national RTDNA TV investigative award and the third consecutive year it has won a Murrow award.

Veteran reporter James Hees won the radio long feature award from the RTDNA for his touching story of the reunion of a mother and a long lost son in Heart’s Desire, Newfoundland.

CBC Calgary won three national journalism awards from the RTDNA at a ceremony in Toronto on Saturday. They received the Charlie Edwards Award for spot digital news for “A Family Disappears,” a series of stories chronicling the disappearance and presumed murder of five-year-old Nathan O’Brien and his grandparents, Alvin and Kathy Liknes.

CBC associate producer Danielle Nerman won the national large market radio sports award for “Never too old,” her profile of a 101-year-old javelin thrower and The CBC Calgary team also won the Ron Laidlaw national award for “Alberta flood: one year later.”

The Radio Television Digital News Association (RTDNA) awards are the most prestigious broadcast awards for journalists working in the industry in Canada.

See the complete list of the 2015 RTDNA Award Winners at: http://www.cbc.ca/news/canada/cbc-journalists-win-multiple-caj-rtdna-awards-1.3103526