Mary Embree discovered saxitoxin as poison for a secret CIA "heart attack gun" that could kill undetected, imitating natural causes during covert operations. In televised hearings in 1975, the Church Committee exposed the CIA's illegal weapon to trigger heart attacks, revealing that it violated President Nixon's ban on the development of biological weapons. The revelation of the undetectable murder weapon raised questions about countless suspici…
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Mary Embree discovered saxitoxin as poison for a secret CIA "heart attack gun" that could kill undetected, imitating natural causes during covert operations. In televised hearings in 1975, the Church Committee exposed the CIA's illegal weapon to trigger heart attacks, revealing that it violated President Nixon's ban on the development of biological weapons. The revelation of the undetectable murder weapon raised questions about countless suspici…