François Duvalier
Heart attack and Barbot affair

On 24 May 1959, Duvalier suffered a massive heart attack, possibly due to an insulin overdose; he had been a diabetic since early adulthood and also suffered from heart disease and associated circulatory problems. During the heart attack, he was comatose for nine hours. His physician believed that he had suffered neurological damage during these events, harming his mental health and perhaps explaining his subsequent actions.

While recovering, Duvalier left power in the hands of Clément Barbot, leader of the Tonton Macoute. Upon his return to work, Duvalier accused Barbot of trying to supplant him as president and had him imprisoned. In April 1963, Barbot was released and began plotting to remove Duvalier from office by kidnapping his children. The plot failed and Duvalier then ordered a nationwide search for Barbot and his fellow conspirators. During the search, Duvalier was told that Barbot had transformed himself into a black dog, which prompted Duvalier to order that all black dogs in Haiti be put to death. The Tonton Macoute captured and killed Barbot in July 1963. In other incidents, Duvalier ordered the head of an executed rebel packed in ice and brought to him so he could commune with the dead man's spirit. Peepholes were carved into the walls of the interrogation chambers, through which Duvalier watched Haitian detainees being tortured and submerged in baths of sulfuric acid; sometimes, he was in the room during the torture.
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