Albert Guay operator Canadian Pacific Air Lines
Canadian Pacific Air Lines Flight 108, known as the Sault-au-Cochon Tragedy, was a Douglas DC-3 operated by Canadian Pacific Air Lines (registry CF-CUA S/N: 4518) that was blown up by a dynamite time bomb on 9 September 1949. The plane was flying from Montreal to Baie-Comeau, Quebec, with a stopover at Quebec City, when it was destroyed. All 19 passengers and 4 crew members were killed in the explosion and crash.
Investigators discovered that three people, Joseph-Albert Guay (22 September 1917 – 12 January 1951), Généreux Ruest (1898 – 25 July 1952), and Marguerite Pitre (5 September 1908 – 9 January 1953), had conspired to destroy the plane to obtain life insurance money. Guay himself had wanted to kill his wife, who was a passenger, so he could marry his mistress. All three of them were tried for murder and executed.Flight 108
Flight 108 was a Douglas DC-3 operated by Canadian Pacific Air Lines flying from Montreal to Baie-Comeau with a stopover at Quebec City. 
Guay calculated that the explosion would send the plane into the Saint Lawrence River which would have made any forensic investigation very difficult with the technology of the time. A five-minute takeoff delay caused the plane to crash instead at Cap Tourmente, near Sault-au-Cochon in the Charlevoix region of Quebec, killing all 23 persons on board – four crew members and 19 passengers including four children. The bombing was the first attack against civil aviation in North America and received wide news coverage locally and abroad. All but three of the victims were Canadians. The three exceptions were the president, president-designate, and vice-president of the Kennecott Copper Corporation.
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