Blow to the head. While General Macarthur was sitting alone outside, the murderer hit him in the head from behind. He'd sent his wife's lover on what amounted to a suicide mission during WWI, causing his death.
It can be found here: http://www.funtrivia.com/en/subtopics/And-Then-There-Were-None-How-Did-They-Die-131519.html
US Army General Douglas MacArthur; later US Army General Ridgeway.
General DOuglas Macarthur Had 3 brothers.
MacArthur
In Agatha Christie's "And Then There Were None," General MacArthur accuses Arthur Richmond of having an affair with his wife, which he believes led to Richmond's death during World War I. MacArthur harbors feelings of betrayal and guilt, believing he sent Richmond to his death as a result of this betrayal. This accusation reflects the themes of guilt and justice that permeate the novel.
General MacArthur.
General Douglas MacArthur was a member of the US Army.
In "And Then There Were None" by Agatha Christie, General MacArthur reflects on the death of Arthur Richmond with a sense of guilt and remorse. He reveals that Richmond was a young officer who had been involved in an affair with MacArthur's wife, leading to a tragic outcome. MacArthur believes he is responsible for Richmond's death, feeling that his actions contributed to the young man's demise. This moment underscores themes of guilt and the consequences of past actions that permeate the novel.
It was General Douglas McArthur
General Douglas MacArthur. Wikipedia has a very good article on him. True. General Douglas MacArthur accused Truman of preventing him from bombing supply depots.
General Douglas MacArthur died of biliary cirrhosis in 1964. He was 84 years old and received a state funeral that had been arranged ahead of time by President Kennedy, before he was assassinated.
General Douglas MacArthur was portrayed by Gregory Peck.
On October 20, 1944, General MacArthur returned to the Philippines and said, "I have returned!"