Henry George Kendall First World War). Two years later he worked with Guglielmo Marconi to develop ship-to-shore radio before getting his first command in 1908. Two years after that he was appointed captain of the Canadian Pacific Line's , and within months had become famous following his role in the capture of Dr. Hawley Harvey Crippen, the London cellar murderer, in what was the first use of radio to capture a criminal. Kendall's radio messages alerted Scotland Yard, and Inspector Walter Dew was dispatched to Canada on the faster ship, the White Star Line's , and arrived in Canada before "Montrose". Disguised as
Hawley Harvey Crippen White Star liner, , from Liverpool and arrived in Quebec, Canada, ahead of Crippen, and contacted the Canadian authorities. As "Montrose" entered the St. Lawrence River, Dew came aboard disguised as a pilot. Canada was then still a dominion within the British Empire. If Crippen, an American citizen, had sailed to the United States instead, even if he had been recognised, it would have taken extradition proceedings to bring him to trial. Kendall invited Crippen to meet the pilots as they came aboard. Dew removed his pilot's cap and said, "Good morning, Dr. Crippen. Do you know me? I'm Chief