[1] He was director of the RCMP Security Service[2] before being promoted to Deputy Commissioner of the Royal Canadian Mounted Police in 1958.
In 1960, he was appointed Director General of the Sûreté du Québec, a post he held for five years.
Brunet's son, Gilles Brunet, followed his father into the RCMP Security Service,[2] but was fired from the RCMP in 1973, due to ties to organized crime figures.
Western intelligence agencies would later learn that Gilles had become a double agent for the Soviet Union and had been paid to betray Canada and its allies.
[2] Another man, Leslie James Bennett, had been fired due to CIA suspicions that he was the mole within the RCMP.